WCAG 2.2 · Perceivable · Level AA
1.4.3 — Contrast (Minimum)
Text must have a contrast ratio of at least 4.5:1 (3:1 for large text) against its background.
Level AAPerceivable
What it means
Text must have a contrast ratio of at least 4.5:1 (3:1 for large text) against its background.
How to meet it
Increase colour contrast for text and meaningful UI text until it meets 4.5:1.
How AccessScan checks this
This criterion needs a rendered page or human judgement (for example colour contrast, focus visibility, or media review), so it’s part of manual testing and our upcoming deep scan rather than the free static scan.
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