Accessibility·Advanced·Conceptual·1 min read
What contrast ratio does WCAG require for a focus indicator itself?
Short interview answer
WCAG 2.2 introduced a requirement that the focus indicator have sufficient contrast against both its unfocused and focused-state backgrounds, treating the indicator itself as UI that needs to meet a contrast minimum, not just the text near it.
Key takeaway
Explain the underlying mental model clearly, then support it with a concrete example and its trade-offs.