WCAG 2.2 AAA High Contrast Checker

Verify color combinations against enhanced WCAG 2.2 Level AAA requirements (7:1 normal text, 4.5:1 large text).

How It Works & Processing Standards

Verify color combinations against enhanced WCAG 2.2 Level AAA requirements (7:1 normal text, 4.5:1 large text).

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

WCAG 2.2 AAA High Contrast Checker is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use WCAG 2.2 AAA High Contrast Checker

  1. 1
    Enter ColorsSelect text and background colors.
  2. 2
    Check AAA StatusReview evaluation verdict against 7:1 (or 4.5:1 for large text).

Common Use Cases

  • Healthcare portals, government websites, and mission-critical accessibility guidelines
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