OpenTools
Accessibility

WCAG Text Contrast Checker

Check colour contrast ratios to ensure accessibility compliance with WCAG guidelines (Level AA and AAA).

WCAG Text Contrast Checker
Check colour contrast ratios to ensure accessibility compliance with WCAG guidelines

Advanced Batch Check

WCAG Guidelines:

  • Level AA: Minimum contrast ratio of 4.5:1 for normal text, 3:1 for large text (18pt or 14pt bold)
  • Level AAA: Minimum contrast ratio of 7:1 for normal text, 4.5:1 for large text

About this tool

Ensure your text meets accessibility standards with our WCAG Text Contrast Checker. Verify that your colour combinations meet the minimum contrast requirements for Level AA and AAA compliance. The tool checks contrast ratios according to WCAG guidelines, helping you create accessible content for users with visual impairments. Supports both single colour checks and batch processing of multiple colour pairs. Features include text/background colour selection, font size configuration, and detailed contrast analysis with pass/fail indicators for both AA and AAA compliance levels.

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WCAG Text Contrast Checker screenshot