Color Contrast Checker
Pick a text and background colour to see the contrast ratio and whether it passes WCAG AA and AAA for normal and large text — with a live preview.
Almost before we knew it,
we had left the ground. The quick brown fox.
About Color Contrast Checker
Pick a text and background colour to see the contrast ratio and whether it passes WCAG AA and AAA for normal and large text — with a live preview. Whether you want to debug the root cause, not the symptom or just save time, Color Contrast Checker has you covered — free and online. No login, no install, no catch — just open it and go.
Why use Color Contrast Checker?
- Your inputs aren't stored — it's quick and private.
- Works right in your browser on any device — desktop or mobile.
- Simple enough for beginners, powerful enough to rely on daily.
From developers to everyone in between, Color Contrast Checker fits right into your workflow.
How to use Color Contrast Checker
- Add your information above.
- Hit “Generate”.
- Review the output, copy it, and you're done.
Frequently asked questions
Do I need to sign up to use Color Contrast Checker?
No sign-up or login is needed. Just open Color Contrast Checker and start straight away.
Is my data safe with Color Contrast Checker?
Your inputs are used only to produce your result and aren't sold or shared. See our privacy policy for details.
What is Color Contrast Checker?
Pick a text and background colour to see the contrast ratio and whether it passes WCAG AA and AAA for normal and large text — with a live preview.
How does Color Contrast Checker work?
Fill in the fields above and choose “Generate”. Color Contrast Checker processes your input and returns a result in seconds, right in your browser.
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