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Color Contrast Checker

Check contrast ratio between foreground and background colors.

Free toolNo signupCopyable output

Interactive tool

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No signup required

Tool guide

How to use this tool

1. Add the required input

Enter or upload the information Color Contrast Checker needs.

2. Run the tool

Use the main action to create, check, calculate, convert, or preview the result.

3. Review the result

Check the output before copying, downloading, or using it in important work.

When it is useful

Enter hex colors to estimate WCAG-style contrast ratio for text readability.

This is most helpful when you need a quick design review or draft before moving into a larger workflow.

Tips for better results

  • Follow the units and time periods shown for each field.
  • Treat the result as an estimate and verify important decisions.

Examples

Example use

Check dark text on a light button background.

Related guides

FAQs

Does this guarantee accessibility compliance?

No. It provides a contrast calculation to support review.

What ratio is usually recommended?

Common guidance is 4.5:1 for normal text and 3:1 for large text.

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Color Contrast Checker - Free Tiny Helper Tool | Tiny Helper Tools