Contrast Checker

Check WCAG contrast compliance between two colors. — Free, private, no sign-up.

Color

Sample Text Preview

Text Color

Background

Ratio: 5.37:1

WCAG AA: PASS ✓

WCAG AAA: FAIL ✗

How to use the Contrast Checker

Locate the input area in the tool card above and enter your data or upload a file.
Configure any options or settings that apply to your task.
Click the primary action button — results appear instantly in your browser.
Use the copy or download button to save your output.

Yes, this tool is 100% free with no hidden limits, subscriptions, or paywalls.

No. Everything runs directly in your web browser — no installation, no sign-up, no email required.

Absolutely. All processing happens locally in your browser. Your files and inputs are never uploaded to our servers.

Yes. WebVix tools are responsive and work on all modern browsers — desktop, tablet, and mobile.