Contrast checker ♿

Test any text/background pair — ratio plus instant WCAG AA and AAA verdicts. Free, no signup.

Text color

Background color

Large sample text

This is what normal body text looks like on this background.

Contrast ratio—

AA normal (4.5:1)—

AA large (3:1)—

AAA normal (7:1)—

AAA large (4.5:1)—

Accessible color — FAQ

Rules of thumb

Aim for 4.5:1 minimum on body text. Light gray on white (#999 on #fff ≈ 2.8:1) fails — a very common mistake.

Building a palette?

Pull one from any image with the palette extractor.

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