WebAIM Contrast Checker

A WebAIM tool for checking foreground and background color contrast in RGB hexadecimal format or with a color picker. It reports a contrast ratio and WCAG AA and AAA pass/fail states for normal text, large text, graphical objects and user interface components. It also functions as a basic API when &api is appended to a permalink.

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0 shouts Added Sep 23, 2026 webaim.org
webaim.org/resources/contrastchecker/
WebAIM Contrast Checker website preview

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