Design Tools

WCAG Color Contrast Ratio Checker

Test foreground and background color combinations against WCAG 2.1 AA and AAA accessibility standards.

Foreground (Text Color):

Background Color:

The quick brown fox jumps over the lazy dog. (18pt Bold / 14pt Regular)

Contrast Ratio: 4.82 : 1 (WCAG AA PASS)

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WCAG AA requires at least 4.5:1 for normal text and 3:1 for large text (18pt+).

Using the official W3C formula based on sRGB color space conversion.

Yes, see live text rendering across small, medium, and large typography.