Color Contrast Checker

Check WCAG accessibility color contrast

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Sample Text

The quick brown fox jumps over the lazy dog.

Small text example for checking readability.

Contrast Ratio

21.00:1

Excellent (AAA)

WCAG 2.1 Compliance

Normal Text (AA)

Minimum 4.5:1

PASS

Large Text (AA)

Minimum 3:1 (18pt+ or 14pt bold)

PASS

Normal Text (AAA)

Minimum 7:1

PASS

Large Text (AAA)

Minimum 4.5:1

PASS

Luminance Values

Foreground luminance:0.0000
Background luminance:1.0000

About Color Contrast Checker

Check WCAG accessibility color contrast

Use this free online color tools tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.

Processing

This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.