Free Online Color Contrast Checker - WCAG Accessibility Tool

Check color contrast ratios for web accessibility (WCAG 2.1 AA & AAA) with our free online tool. Ensure your text and background colors are compliant. Get live preview and color suggestions!

Color Contrast Checker

Ensure your text and background colors meet WCAG accessibility standards.

Live Preview

The quick brown fox jumps over the lazy dog.

This is some example text to check contrast.

Contrast Results

Contrast Ratio:

0:1

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