What contrast ratio is required for WCAG AA?

4.5:1 for normal text and 3:1 for large text (18pt or 14pt bold). WCAG AAA requires 7:1 for normal text and 4.5:1 for large text.

Web Content Accessibility Guidelines — the international standard for making web content accessible to people with visual impairments, including color blindness.

Can I enter colors as HEX, RGB, or HSL?

Yes. All common color formats are accepted for both foreground and background colors.

Color Contrast Checker

Check WCAG AA/AAA contrast ratio between foreground and background colors.

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Check WCAG AA/AAA contrast ratio between foreground and background colors. Powered by JustUse.me — free, ad-free, and private. This tool runs entirely in your browser. Your files are never uploaded to any server.

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