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# 2.4.7 Focus Visible

- Level: AA
- Guideline: 2.4 Navigable
- Principle: 2 Operable

## What it is

Any keyboard operable user interface has a mode of operation where the keyboard focus indicator is visible.

## How to test

- Check: Any keyboard operable user interface has a mode of operation where the keyboard focus indicator is visible.
- Use the sufficient techniques below as acceptable methods when applicable.
- Confirm none of the common failures apply.

## Sufficient techniques (W3C)

- G149: Using user interface components that are highlighted by the user agent when they receive focus
- C15: Using CSS to change the presentation of a user interface component when it receives focus
- G165: Using the default focus indicator for the platform so that high visibility default focus indicators will carry over
- G195: Using an author-supplied, visible focus indicator
- C40: Creating a two-color focus indicator to ensure sufficient contrast with all components
- C45: Using CSS :focus-visible to provide keyboard focus indication
- SCR31: Using script to change the background color or border of the element with focus

## Common failures (W3C)

- F55: Failure of Success Criteria 2.1.1, 2.4.7, 2.4.13, and 3.2.1 due to using script to remove focus when focus is received
- F78: Failure of Success Criterion 1.4.11, 2.4.7 and 2.4.13 due to styling element outlines and borders in a way that removes or renders non-visible the visual focus indicator

## Resources

- WCAG 2.2 SC: https://www.w3.org/TR/WCAG22/#focus-visible
- Understanding: https://www.w3.org/WAI/WCAG22/Understanding/focus-visible.html
- Quick reference: https://www.w3.org/WAI/WCAG22/quickref/?versions=2.2#focus-visible

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