Advanced Contrast Checker

Ensure your color choices meet accessibility standards with detailed analysis and live previews.

Color Inputs

Simulation & Share

Contrast Ratio & WCAG Compliance

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WCAG Criterion Min. Ratio Level AA Level AAA
Normal Text (<18pt or <14pt bold) 4.5:1 (AA), 7:1 (AAA)
Large Text (≥18pt or ≥14pt bold) 3:1 (AA), 4.5:1 (AAA)
Non-Text (UI, Graphics) 3:1 (AA) N/A

Large text is defined as 18pt (24px) or 14pt (18.66px) bold. Contrast ratios are based on WCAG 2.1 guidelines.

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