What Is WCAG Color Contrast Checker?

A free online WCAG color contrast checker. Enter foreground and background colors to check compliance with WCAG 2.1 AA and AAA standards for normal and large text. Includes preset color pairs and a live preview.

Why Use WCAG Color Contrast Checker?

  • WCAG 2.1 AA and AAA compliance for normal and large text
  • Live text preview with your color combination
  • 8 preset color pairs for common scenarios
  • Clear pass/fail indicators with required ratios

How to Use WCAG Color Contrast Checker — Step by Step

1

Enter foreground (text) and background colors.

2

View the contrast ratio and WCAG compliance results.

3

Use preset color pairs for common scenarios.

4

Adjust colors until all checks pass.

Who Is WCAG Color Contrast Checker Best For?

  • web accessibility
  • UI design
  • WCAG compliance
  • color selection

WCAG Color Contrast Checker — Frequently Asked Questions

What is WCAG 2.1 AA compliance?

WCAG AA requires a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text (18pt or 14pt bold).

What is the difference between AA and AAA?

AAA is a higher standard requiring 7:1 for normal text and 4.5:1 for large text. AAA is not required for all content but is recommended where possible.

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