WCAG Contrast Checker
Test if text color passes WCAG Accessibility (AA/AAA) standards on a background.
Excellent contrast! Meets AAA standards.
Large Text Preview
This is a preview of normal body text at 16px. The contrast checker ensures everyone can read your design comfortably.
* AA requires 4.5:1 for normal text and 3:1 for large text. AAA requires 7:1 for normal text and 4.5:1 for large text.
About WCAG Contrast Checker
What is WCAG Contrast Checker?
This tool is part of RapidTools, a free online platform with 100+ browser-based utilities for developers, designers, and creators. All tools run 100% in your browser with no server-side processing.
How to Use
- 1Use the controls above to configure the tool.
- 2Your results are generated instantly.
- 3Copy your output using the copy button.
Frequently Asked Questions
Is this tool free to use?
Yes, all tools on RapidTools are 100% free with no hidden charges or premium subscriptions.
Do I need to create an account?
No. You can use all our tools instantly without signing up or providing any personal information.
Is my data secure?
Absolutely. All processing happens locally in your browser. Your data is never uploaded to our servers.
100% Private — Your Data Never Leaves Your Browser
All processing happens locally in your browser using JavaScript. No data is ever sent to our servers.