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Free Tool

Contrast Checker

Check color contrast ratios for WCAG 2.1 AA and AAA compliance. Ensure your text is readable.

14.63:1

Contrast Ratio

AA Normal (4.5:1)

Pass

AA Large (3:1)

Pass

AAA Normal (7:1)

Pass

AAA Large (4.5:1)

Pass

Large Text (24px+)

Normal body text at regular size. This is how your content will look with these color choices.

Small text sample - make sure this is still readable for all users including those with visual impairments.

About the Contrast Checker

The Contrast Checker is a free online tool that lets you check WCAG color contrast ratios for accessibility. It runs entirely in your browser with no sign-up required, so you get instant results while your data stays on your device. It is built for developers, designers, and anyone who needs a fast, reliable contrast checker without installing software.

How to use the Contrast Checker

  1. 1Open the Contrast Checker and enter or paste your input.
  2. 2Adjust the available options to match what you need.
  3. 3View the result instantly as you work.
  4. 4Copy or download the output to use in your project.

Frequently asked questions

Is the Contrast Checker free to use?

Yes. The Contrast Checker is completely free with no account, sign-up, or installation required.

Is my data private when I use the Contrast Checker?

This tool runs entirely in your browser. Your data is never uploaded to a server, which makes it safe to use with sensitive input.

Do I need to install anything?

No. The Contrast Checker works in any modern web browser on desktop or mobile, with nothing to download.

Can I use the Contrast Checker on mobile?

Yes. The tool is responsive and works on phones, tablets, and desktops.

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