WCAG 2.2 AA Contrast Compliance Checker

Verify if color combinations pass WCAG 2.2 Level AA requirements (4.5:1 normal text, 3:1 large text).

How It Works & Processing Standards

Verify if color combinations pass WCAG 2.2 Level AA requirements (4.5:1 normal text, 3:1 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 AA Contrast Compliance 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 AA Contrast Compliance Checker

  1. 1
    Input Colors & Text SizeSpecify text and background colors, and choose Normal or Large text.
  2. 2
    Review VerdictSee instantaneous Pass or Fail verdict alongside exact contrast ratio.

Common Use Cases

  • Testing website accessibility for public sector compliance and enterprise design standards
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