CSS Tools

Color Contrast Checker

Check WCAG 2.1 color contrast compliance for accessibility.

Large Text Preview (24px bold)

Normal text preview (16px). The quick brown fox jumps over the lazy dog.

Small text preview (14px). Lorem ipsum dolor sit amet, consectetur adipiscing elit.

8.72:1
Excellent

WCAG 2.1 Compliance

AA Normal Text✓ Pass

Required: 4.5:1

AA Large Text✓ Pass

Required: 3:1

AAA Normal Text✓ Pass

Required: 7:1

AAA Large Text✓ Pass

Required: 4.5:1

AA UI Components✓ Pass

Required: 3:1

Color Contrast Checker: Check WCAG 2.1 color contrast compliance for accessibility. Runs entirely in your browser — paste your input, get instant output, nothing is uploaded.

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🔒 This tool runs entirely in your browser. No data is sent to any server.