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Color Contrast Checker

Check text and background color combinations for contrast and readability in your design workflow.

Open this tool now

Opens the tool directly. Your work stays in your browser.

Private by design: Processing happens locally in your browser, so your text and data stay on your device.

What it does

Compare foreground and background colors to help identify combinations that may be difficult to read.

Good for

  • Review colors for interface text
  • Check contrast in a design review
  • Compare foreground and background colors

Frequently asked questions

Does the tool send my input to a server?

No. The tool processes your input locally in your browser.

Can I use it without installing anything?

Yes. Open this page in a modern browser and use the tool directly.

Where does processing happen?

Processing runs on your device in the browser.