100% W3C Mathematical Calculation

WCAG 2.1 Color Contrast Checker

Test text and background color accessibility for AA and AAA compliance. Ensure high contrast for mobile users and Google Core Web Vitals.

Popular Color Pairs:

Color Selection

Text (Foreground) Color

Background Color

W3C Contrast Ratio Score

8.62:1

Normal Text AA (4.5:1)PASS

Normal Text AAA (7:1)PASS

Large Text / UI (3:1)PASS

Live Text Render Preview

Accessible Web Design for High Conversion

This text block demonstrates how your chosen foreground color renders against the background color. High contrast ensures readability for users with low vision.

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