WCAG Color Contrast Checker

How it works

1. Step · 01

   Pick a foreground (text) color and a background color.

2. Step · 02

   The tool computes the WCAG 2.1 contrast ratio and shows if it passes AA and AAA for both normal and large text.

3. Step · 03

   Adjust either color until it passes at least AA — no signup and no data leaves your browser.

Frequently asked questions

Is this tool really free?

Yes. Every tool on EasyFileMagic is 100% free with no signup, no watermarks, no page limits, and no software to install.

Are my files uploaded to a server?

No. Files are processed directly in your browser using JavaScript and WebAssembly. Nothing is uploaded to our servers, so your documents never leave your device.

Does it work on mobile?

Yes. The tools run in any modern browser on desktop, tablet, or mobile (Chrome, Edge, Safari, Firefox). Very large files may be slower on low-end phones.

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