Contrast Checker — free online tool

Check text/background contrast ratios against WCAG AA and AAA.

FrontDev's Contrast Checker is 100% free with no sign-up, no limits and no watermarks. It runs entirely in your browser, so your files are never uploaded to a server.

Useful for: wcag, accessibility, a11y, color contrast.

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FrontDev is 100% free and created by Sysoratech.