Contrast & WCAG Checker

Check any foreground/background pair against WCAG AA/AAA — ratio plus pass/fail, live in your browser. Free to use; log in to save checks and keep a history.

Aa — the quick brown fox
18.88:1AAA

Contrast is one check. A full audit scores the whole experience for accessibility and risk — then tells you what to fix first.

Run a full accessibility audit →

Save & history

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