5G Netz (5 issues)

Links are indicated by color only
Button focus state indicated by color only
"Mehr Infos" link in content containers only using color for identification
Magenta button's keyboard focus does not have enough contrast
"Play" button's keyboard focus does not have enough contrast

Aktionen (1 issues)

Buttons use color to differentiate states

Alle Geräte (1 issues)

Links in body copy are indicated by color only

Android Betriebssystem (1 issues)

Links are indicated by color only
Links in body copy are indicated by color only

Apple Watch Familienkonfiguration (2 issues)

Links are indicated by color only
Interactive element's hover state indicated by color only

Apple iPad Air 11 2025 (2 issues)

Links are indicated by color only
Input element's error state indicated by color

Daten Tarife (1 issues)

Links in body copy are indicated by color only

Flex Tarife Weitere Informationen (2 issues)

Links are indicated by color only
Interactive element's focus state indicated by color only

For Friends (1 issues)

Links are indicated by color only

For Friends Aktionscode (2 issues)

Button focus state indicated by color only
Magenta button's keyboard focus does not have enough contrast

Handy Verkaufen (3 issues)

Links are indicated by color only
Interactive element's focus state indicated by color only
Interactive element's focus state indicated by color only

Handyversicherung (1 issues)

Links are indicated by color only

IoT-Verteilerseite (1 issues)

Links in body copy are indicated by color only

Magena Sport (4 issues)

Links are indicated by color only
Button focus state indicated by color only
Magenta button's keyboard focus does not have enough contrast
Button's keyboard focus (in "Auswählen" dialog window) does not have enough contrast

Magenta TV Streaming Dienste Partner DAZN (3 issues)

Interactive element uses color as only way to differentiate
Button focus state indicated by color only
Magenta button's keyboard focus does not have enough contrast

Mobile Router (1 issues)

Links in body copy are indicated by color only

Mobilfunk Netzausbau (3 issues)

Links in body copy are indicated by color only
Map layers solely rely on color difference
FAQ focus state does not have enough contrast

Prepaid Tarife (3 issues)

Links are indicated by color only
Button focus state indicated by color only
Button focus state indicated by color only

Roaming Optionen (6 issues)

Interactive element's focus state indicated by color only
Links are indicated by color only
Button focus state indicated by color only
Button focus state indicated by color only
Radio button's keyboard focus does not have enough contrast
Outline Button's keyboard focus does not have enough contrast

Senioren Smartwatch (1 issues)

Links in body copy are indicated by color only
Links are indicated by color only

Smart Connect (1 issues)

"Zum Tarif ohne Gerät" link indicated by color only

Smartphone Tarife (1 issues)

Links are indicated by color only

Smartphones (1 issues)

Links in body copy are indicated by color only

Smartwatch mit Gesundheitsfunktionen (1 issues)

Links in body copy are indicated by color only

Smartwatches (1 issues)

Links in body copy are indicated by color only

Sonim XP100 (1 issues)

Links are indicated by color only

Sport Megasport Option (3 issues)

Interactive element uses color as only way to differentiate
Button focus state indicated by color only
Magenta button's keyboard focus does not have enough contrast
Links in body copy are indicated by color only

Tastenhandys (1 issues)

Links in body copy are indicated by color only

Telefonieren SMS Ins Ausland (3 issues)

Links are indicated by color only
Interactive element's focus state indicated by color only
Interactive element's active state indicated by color only

Travel Mobil Optionen (4 issues)

Links are indicated by color only
Text Buttons are indicated by color only
Interactive element's focus state indicated by color only
Interactive element's active state indicated by color only

Travel Surf (3 issues)

Links are indicated by color only
Text Buttons are indicated by color only
Interactive element's focus state indicated by color only

VIP Lieferung (2 issues)

Links are indicated by color only
Input (checkbox) error state indicated by color only

Vertragsverlängerung (5 issues)

FAQ focus state does not have enough contrast
Button focus state indicated by color only
Button focus state indicated by color only
Magenta button's keyboard focus does not have enough contrast
Links in body copy are indicated by color only

Xiaomi 15 (3 issues)

Links are indicated by color only
Interactive element's focus state indicated by color only
Input element's error state indicated by color

iPad Vergleich (1 issues)

Links/Text Buttons are indicated by color only

iPhone Erleben (3 issues)

Links are indicated by color only
Interactive element's focus state indicated by color only
Links are indicated by color only
Accompanying Files
Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Keyboard focus of Magenta button changes background color. Difference between default and focused state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.1:1.

Remediation Notes

Ensure enough contrast (3:1) between different button states (default, focused, active, ...).

Accompanying Files
Observation Details

Focusing an FAQ item via keyboard changes its background color. The color difference alone is not enough to visually indicate a focus state. The color difference must meet a 3:1 contrast ratio.

Remediation Notes

Ensure, meeting the 3:1 minimum contrast ratio from unfocused to focused state.

Better: Do not rely solely on color to indicate the focus state. You can do so by adding visible outline to focused interactive elements.

Accompanying Files
Observation Details

Keyboard focus of radio button changes background color. Difference between default (#FFFFFF) and focused (#EDEDED) state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.2:1.

Remediation Notes

Ensure enough contrast (3:1) between different radio button states (default, focused, active, ...).

Better approach: Use non-color indicator additionally to eliminate contrast issues. This can be an outline.

Accompanying Files
Observation Details

Keyboard focus of outline (ghost) button changes background color. Difference between default (#FFFFFF) and focused (#E6E6E6) state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.2:1.

Remediation Notes

Ensure enough contrast (3:1) between different radio button states (default, focused, active, ...).

Better approach: Use non-color indicator additionally to eliminate contrast issues. This can be an outline.

Observation Details

Keyboard focus of Magenta button changes background color. Difference between default and focused state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.1:1.

Remediation Notes

Ensure enough contrast (3:1) between different button states (default, focused, active, ...).

Priority: Serious Low Page: Apple Observation Permalink
Accompanying Files
Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Multiple links in dialog windows (footnotes) found.

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Links can be found, e.g. in

  • footnote dialog windows "Ankaufsbonus", as "Teilnahmebedingungen" links.

  • "Tarif ändern" dialog window as "Preisliste, Leistungsbeschreibung und AGB"

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

The link "Zum Tarif ohne Gerät" solely relies on color to be differentiated from the other text content.

Remediation Notes

Links must not only rely on color to differentiate them from non-link text content. Use default HTML underline as an easy remediation method.

Accompanying Files
Observation Details

"Alle Paketdetails anzeigen" element uses blue color to indicate it being an interactive element. Color must not be the only way to convey such information.

Remediation Notes

Ensure to use at least one more method to convey the information of it being an interactive element.

When using a link, ideally restoring the default link underline. As the "Alle Paketdetails anzeigen" does open a dialog window, it should rather use a <button> element and should be presented as such.

Accompanying Files
Observation Details

Keyboard focus of Magenta button changes background color. Difference between default and focused state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.1:1.

Remediation Notes

Ensure enough contrast (3:1) between different button states (default, focused, active, ...).

Priority: Moderate Low Page: 5G Netz Observation Permalink
Accompanying Files
Observation Details

"Mehr Infos" links in content containers rely on color to differentiate from surrounding text. While other links (see news tiles section) also use boldened text and a caret icon before the link text, these "Mehr Infos" links are visually harder to distinguish from "normal" copy text.

Remediation Notes

Ensure interactive elements like links are distinguishable from body text in more ways than just by color. Ideally, links are underlined. Ideally, links also all look the same. This issue can be remediated by using one link component for all links, ensuring consistency in functionality and design.

Priority: Moderate Low Page: 5G Netz Observation Permalink
Accompanying Files
Observation Details

Keyboard focus of Magenta button changes background color. Difference between default and focused state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.1:1.

Remediation Notes

Ensure enough contrast (3:1) between different button states (default, focused, active, ...).

Priority: Moderate Low Page: 5G Netz Observation Permalink
Accompanying Files
Observation Details

Keyboard focus of "Play" button ("Ihre Vorteile im größten 5G-Netz Deutschlands") changes background color. Difference between default and focused state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.2:1.

Remediation Notes

Ensure enough contrast (3:1) between different button states (default, focused, active, ...).

Accompanying Files
Observation Details

Links are only differentiated from normal body text (black, #383838) by use of color (blue, #00739f). In addition, the contrast ratio of link text color and body text color also is insufficient (2.2:1 < 3:1).

Links can be found, e.g. as

  • "Handyverträgen" in section "Wissenswertes rund um den Netzausbau"

  • "5G-Netz" in section "Bleiben Sie auf dem neuesten Stand"

  • various links in FAQ section "Welches Smartphone ist 5G-fähig?"

  • Additionally, not quite fitting this success criterion but an accessibility issue anyway is the link "Deutschen Funkturm" in section "Helfen Sie dabei unser 5G-Netz noch größer zu machen!". This link does not even use any color difference (contrast ratio 1:1). The link is not visually identifiable at all. (see attached screenshot)

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Accompanying Files
Observation Details

Focusing an FAQ item via keyboard changes its background color. The color difference alone is not enough to visually indicate a focus state. The color difference must meet a 3:1 contrast ratio. Currently it is barely visible at 1.2:1

Remediation Notes

Ensure, meeting the 3:1 minimum contrast ratio from unfocused to focused state.

Better: Do not rely solely on color to indicate the focus state. You can do so by adding visible outline to focused interactive elements.

Accompanying Files
Observation Details

Options in map layers rely on color alone to be identified. Doing so, while not meeting contrast ratio minimum (3:1) is an accessibility issue.

Remediation Notes

Preferably another mechanism, additionally to color, is used to differentiate the option layers.

This can be icons or forms (like "Schraffur") for both the "dot" in the options menu and the actual map part.

This could also be an outline that meets color contrast minimums for all color combinations. This must be set so that all polygons in the map are using the outline.

Observation Details

Keyboard focus of Magenta button changes background color. Difference between default and focused state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.1:1.

"Jetzt buchen / Jetzt dazubuchen" buttons in tariff card and also in the following dialog window.

Remediation Notes

Ensure enough contrast (3:1) between different button states (default, focused, active, ...).

Observation Details

"Alle Paketdetails anzeigen" element uses blue color to indicate it being an interactive element. Color must not be the only way to convey such information.

Remediation Notes

Ensure to use at least one more method to convey the information of it being an interactive element.

When using a link, ideally restoring the default link underline. As the "Alle Paketdetails anzeigen" does open a dialog window, it should rather use a <button> element and should be presented as such.

Priority: Moderate Low Page: Magena Sport Observation Permalink
Accompanying Files
Observation Details

Keyboard focus of Magenta button changes background color. Difference between default and focused state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.1:1.

Remediation Notes

Ensure enough contrast (3:1) between different button states (default, focused, active, ...).

Priority: Moderate Low Page: Magena Sport Observation Permalink
Accompanying Files
Observation Details

Keyboard focus of buttons "Hast du einen MagentaTV Vertrag?", "Welchen Telekom Vertrag hast du?", and "Close Button" in "Auswählen" dialog window (section "MagentaSport: Alle Angebote im Überblick") changes background color. Difference between default and focused state does not meet minimum contrast ratio (3:1). Instead, the difference is barely visible at 1.2:1.

Remediation Notes

Ensure enough contrast (3:1) between different button states (default, focused, active, ...).

Accompanying Files
Observation Details

Links are only differentiated from normal body text by use of color.

  1. The contrast ratio of link text color and body text color is sufficient (3.4:1) and as such is no failure. Links can be found as "XPLORA X6 Play eSIM", "Anio 6" in body copy text

  2. The contrast ratio of link text color and FAQ body text color is not sufficient (2.6:1 < 3:1) as it uses a different body text color (rgb(56, 56, 56)). Links can be found as "eSIM", "WLAN-Router und -Repeater" in FAQ section "Das sollten Sie zum Thema IoT wissen"

Remediation Notes

Ensure, all links do not rely on color alone to be differentiated from (surrounding) body text. Ideally, differences do not rely on color contrast, even when meeting 3:1 color contrast ratio.

Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Links are only differentiated from normal body text by use of color.

The contrast ratio of link text color and FAQ body text color is not sufficient (2.6:1 < 3:1) as it uses a different body text color (rgb(56, 56, 56)). Links can be found in most FAQ items. Especially the link "Mehr Infos zum JohanniterCall" is included in each function section.

Side Note: The link list in section "Wie eine Smartwatch mit Gesundheitsfunktionen helfen kann bei" also uses links only differentiated by color. As those are just above minimum color contrast ratio, they alone do not constitute a failure of this success criterion.

Remediation Notes

Ensure, all links do not rely on color alone to be differentiated from (surrounding) body text. Ideally, differences do not rely on color contrast, even when meeting 3:1 color contrast ratio.

Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Links are only differentiated from normal body text by use of color.

The contrast ratio of link text color and FAQ body text color is not sufficient (2.6:1 < 3:1) as it uses a different body text color (rgb(56, 56, 56)). Links can be found in FAQ items.

Remediation Notes

Ensure, all links do not rely on color alone to be differentiated from (surrounding) body text. Ideally, differences do not rely on color contrast, even when meeting 3:1 color contrast ratio.

Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Links

  • Buttons – Magenta button, outline button

  • Input elements (e.g. radio buttons)

  • Accordion items

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • Handyvertrag

  • EU-Ländern

  • Allnet Flat

  • Travel & Surf

  • ...

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • Alle Paketdetails anzeigen

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Priority: Critical Low Page: Aktionen Observation Permalink
Observation Details

Carousel pagination buttons rely on color difference to differentiate button states. Color contrast ratio between selected and unselected button is 2.9:1, thus not meeting minimum requirement of 3:1.

Remediation Notes

Different states of interactive elements like buttons should not solely rely on color difference. Ideally another visual indicator like border or shape is used in addition to change of color.

If no other indicator is used, the different colors must meet minimum contrast ratio of 3:1.

Priority: Critical Low Page: Shop Observation Permalink
Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "Telekom Netz" in footnote dialog window "Bestes & größtes Mobilfunknetz Deutschlands!"

    • No underline

    • Color contrast ratio to surrounding text is 2.8:1

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users. Additionally, it is recommended to keep color contrast ratio to surrounding text above the 3:1 ratio threshold.

Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Links can be found, e.g. in

  • "Tarif ändern" dialog window as "Preisliste, Leistungsbeschreibung und AGB"

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Links can be found, e.g. in

  • footnote dialog windows "Ankaufsbonus", as "Teilnahmebedingungen" links.

  • "Tarif ändern" dialog window as "Preisliste, Leistungsbeschreibung und AGB"

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Links can be found, e.g. in

  • "Tarif ändern" dialog window as "Preisliste, Leistungsbeschreibung und AGB"

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Links can be found, e.g. in

  • "Tarif ändern" dialog window as "Preisliste, Leistungsbeschreibung und AGB"

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Priority: Serious Low Page: Tablets Observation Permalink
Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Links can be found, e.g. in

  • "Tarif ändern" dialog window as "Preisliste, Leistungsbeschreibung und AGB"

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Links are only differentiated from normal body text (black, rgb(38, 38, 38)) by use of color (blue, rgb(0, 115, 159)).

In addition, the contrast ratio of link text color and body text color also is insufficient (2.8:1 < 3:1).

Links can be found, e.g. in

  • footnote dialog windows "5G", as "Telekom Netz" link

  • Tariff carousel as "Preisliste, Leistungsbeschreibung und AGB" link

  • Tariff carousel "Tarifdetails" dialog window as "www.hotspot.de", "Produktinformationsblatt" ,"Preisliste, Leistungsbeschreibung und AGB" links

Remediation Notes

Ensure, links do not rely on color alone to be differentiated from (surrounding) body text. Preferably use underline to indicate text links as it is the default –thus user friendly– method.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "MagentaEins" in "Unser Tipp für Mobilfunkkunden"

  • "Zusatzkarte" in

    • "Weitere Angebote für Ihre Apple Watch"

    • FAQ item "Was sind die Vorteile der Apple Watch für Kinder?"

  • "Smart Connect" in FAQ item "Welcher Telekom Tarif eignet sich für die Apple Watch für Kinder?"

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Accompanying Files
Observation Details

Hovering interactive element adds visual indicator that does solely rely on color to be differentiated from default state and color contrast ratio of default and hover states does not meet minimum required 3:1 color contrast ratio.

  • "Zum Angebot" link in "Die Apple Watch ist für alle da. Auch wenn Sie noch kein iPhone haben."

Remediation Notes

Side note: the "link" has no href attribute, removing any functionality from the wanted link. This also is a failure of 4.1.2 Name, Role, Value. Ensure, all HTML <a> elements have a non-null href attribute set.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "Telekom Netz" link in "Netz" dialog window

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Accompanying Files
Observation Details

Focused interactive elements with focus states solely relying on color difference:

  • "Handyankauf" form

    • All/most steps

      • Buttons

        • Weiter

        • Ohne Aktion fortfahren

        • Verbindliche Anfrage abschicken

    • Step 2

      • Close button in dialog window "Wo finde ich die IMEI-Nummer?"

    • Step 3

      • Close button in dialog windows (triggered by info icon)

    • Step 5

      • Close button in dialog window "Wo finde ich die Angaben?"

      • "Prüfen" button

    • Step 6

      • Select / Dropdown "Anrede"

      • Checkboxes

        • Focus state

        • Error state


Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Links

  • Buttons

  • Input elements (e.g. radio buttons)

  • Accordion items

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include "Handyankauf" form:

  • General

    • Zurück buttons/links

  • Step 2

    • Wo finde ich die IMEI-Nummer?

  • Step 5

    • Wo finde ich die Angaben?

  • Step 6

    • Checkbox links

      • Ankaufsbedingungen

      • Datenschutzbestimmungen

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • link "Preisliste, Leistungsbeschreibung und AGB" in tariff cards

  • link "Telekom Netz" in 5G Netz dialog window

  • links in "Tarifdetails" dialog windows

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Accompanying Files
Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "Weitere Details"

    • links in "Weitere Details" dialog window do not use any differentiating style

  • "Teilnahmebedingungen" in "Ankaufsbonus" dialog window

  • links in "Herstellerangaben" section

  • links in collapsible item (info i icon in sidebar)

  • links "Tarif ändern" and "Tarif entfernen" in sidebar

  • link "Preisliste, Leistungsbeschreibung und AGB" in "Tarif ändern" dialog window

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Priority: Serious Low Page: Xiaomi 15 Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • "Close" button in footnote dialog window

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Accompanying Files
Observation Details

Error state in "Handyankauf" dialog window uses color on the input field. Color used has not enough contrast ratio to background color and not enough color contrast ratio to default or success state of input field.

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Priority: Moderate Low Page: Xiaomi 15 Observation Permalink
Accompanying Files
Observation Details

Error state in "Handyankauf" dialog window uses color on the input field. Color used has not enough contrast ratio to background color and not enough color contrast ratio to default or success state of input field.

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Priority: Critical Low Page: Xiaomi 15 Observation Permalink
Accompanying Files
Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "Weitere Details"

    • links in "Weitere Details" dialog window do not use any differentiating style

  • "Teilnahmebedingungen" in "Ankaufsbonus" dialog window

  • links in "Herstellerangaben" section

  • links in collapsible item (info i icon in sidebar)

  • links "Tarif ändern" and "Tarif entfernen" in sidebar

  • link "Preisliste, Leistungsbeschreibung und AGB" in "Tarif ändern" dialog window

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • 5G Netz Dialog window, link "Telekom Netz"

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Priority: Serious Low Page: 5G Netz Observation Permalink
Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "Telekom Netz" link in 5G dialog window

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "Telekom Netz" in 5G/Netz dialog window

  • "www.telekom.de/agb" in Ankaufsbonus dialog window

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • Body copy links

  • Links in FAQ items

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • Netz / 5G dialog window

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links/Text Buttons solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • Weitere Details anzeigen

  • Weitere Infos zum Apple Pencil

  • Weitere Infos zu iPad Keyboards

  • Mehr anzeigen / Weniger anzeigen

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include all body copy links and all links in FAQ items.

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Accompanying Files
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Buttons (magenta and outline buttons)

  • Input elements (radio buttons)

  • Accordion items

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Accompanying Files
Observation Details
  • Carousel pagination dots do not meet 3:1 contrast ratio between active (magenta) and inactive (gray) interactive elements.

Remediation Notes

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include all body copy links and all links in FAQ items.

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Text buttons solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of text buttons text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Text buttons, relying on color only and with insufficient color contrast ratio to surrounding text content include "Länderliste" dialog window trigger buttons.

Remediation Notes

Ensure, links and text buttons can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta buttons

  • Outline buttons

  • Accordion items

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Accompanying Files
Observation Details
  • Carousel pagination dots do not meet 3:1 contrast ratio between active (magenta) and inactive (gray) interactive elements.

Remediation Notes

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include all body copy links.

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Text buttons solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of text buttons text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Text buttons, relying on color only and with insufficient color contrast ratio to surrounding text content include "Länderliste" dialog window trigger buttons.

Remediation Notes

Ensure, links and text buttons can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Dropdown / Selection list "Reiseland"

  • Radio buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • Telekom AGB link in "VIP Lieferung" footnote dialog window

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Accompanying Files
Observation Details

Checkbox input "Datenschutzhinweise" error state is solely conveyed by use of color.

Remediation Notes

Ensure, error state is not solely conveyed by use of color. Adding an error icon, outlining the whole input and label could be options to remediate.

Side note: The error must also be presented as text

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "Telekom Netz" in 5G / Netz dialog windows

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Accompanying Files
Observation Details
  • "Mehr zu MagentaEINS" magenta button


Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Links

  • Buttons

  • Input elements (e.g. radio buttons)

  • Accordion items

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Accompanying Files
Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include body copy links and links in various dialog windows.

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details

Links solely rely on color to be differentiated from other, surrounding text content and color contrast ratio of link text color to surrounding text color does not meet minimum required 3:1 color contrast ratio. Links, relying on color only and with insufficient color contrast ratio to surrounding text content include:

  • "Teilnahmebedingungen"

  • Form

    • "Wo finde ich die IMEI-Nummer?"

    • "Wo finde ich die Angaben?"

    • "Ankaufsbedingungen"

    • "Datenschutzbestimmungen"

Remediation Notes

Ensure, links can be differentiated from surrounding text content by at least one other visually perceivable factor. Preferably use underline to indicate link text as it is browser default and known pattern to users.

Observation Details
  • Handyankauf form


Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Buttons

  • Input elements (e.g. radio buttons, checkboxes)

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Accompanying Files
Observation Details

Focused interactive elements with focus states solely relying on color difference:

  • "Handyankauf" form

    • All/most steps

      • Buttons

        • Weiter

        • Ohne Aktion fortfahren

        • Verbindliche Anfrage abschicken

    • Step 2

      • Close button in dialog window "Wo finde ich die IMEI-Nummer?"

    • Step 3

      • Close button in dialog windows (triggered by info icon)

    • Step 5

      • Close button in dialog window "Wo finde ich die Angaben?"

      • "Prüfen" button

    • Step 6

      • Select / Dropdown "Anrede"

      • Checkboxes

        • Focus state

        • Error state


Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Links

  • Buttons

  • Input elements (e.g. radio buttons)

  • Accordion items

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Magenta Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Outline Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Outline Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.

Global Scope Priority: Serious Low Observation Permalink
Observation Details

Focusing interactive element adds visual focus indicator that does solely rely on color to be differentiated from default, un-focused state and color contrast ratio of default and focused states does not meet minimum required 3:1 color contrast ratio. Interactive elements' focus states, relying on color only and with insufficient color contrast ratio to default, un-focused state include:

  • Outline Buttons

Remediation Notes

Ensure, focus states of interactive elements can be differentiated from default, un-focused states by at least one other visually perceivable factor. The issue may be remediated by ensuring high enough color contrast ratio of 3:1 for difference between states.

Preferably though, use focus outlines to indicate focus state of interactive elements, as it is browser default and known pattern to users.