WebAIM Contrast Checker

The standard WCAG contrast ratio checker.

Free

WebAIM's Contrast Checker is the most widely used tool for verifying WCAG AA and AAA color contrast ratios. Enter two hex values and instantly see whether your foreground-background pairing passes for normal text, large text, and UI components.

#contrast#wcag#a11y#free

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Visit WebAIM Contrast Checker

Added May 1, 2026

Verified May 1, 2026

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