2.4.13 Focus Appearance Level AAA

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Conformance Levels


When the keyboard focus indicator is visible, an area of the focus indicator meets all the following:

* Is at least as large as the area of a 2 CSS pixel thick perimeter of the unfocused component or sub-component
* Has a contrast ratio of at least 3:1 between the same pixels in the focused and unfocused states


* The focus indicator is determined by the user agent and cannot be adjusted by the author or
* The focus indicator and the indicator’s background color are not modified by the author

[View on W3C.org]

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