Website Contrast Checker Tool

CRO Accessible Contrast Checker

Accessibility Check

Upload a screenshot to pick colors.

Upload Screenshot

How does contrast checker work?

  1. Take a screenshot of your website, app, or landing page and upload the image file directly to the tool.
  2. Use the eyedropper picker to select the specific text color you want to test, followed by its background color.
  3. The tool instantly calculates the contrast ratio and gives you a pass/fail score.

*Please note this tool is for guidance only and a pass score does not guarantee legal compliance. 

Frequently Asked Questions

A contrast checker analyzes the brightness difference between your text and background to ensure content is readable for everyone.

Low contrast forces users to strain their eyes, which increases frustration and often leads to higher bounce rates. When key elements like headlines or “Buy Now” buttons blend into the background, users may miss your primary call to action. Optimizing contrast reduces cognitive load, allowing visitors to scan your content quickly and convert more easily.

To fix a failing score, you must increase the difference in luminance (brightness) between your foreground and background. You can achieve this by darkening your text color or significantly lightening the background color behind it. 

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