DocConvertPRO

Colour Contrast Checker (WCAG)

Check whether your colour combination is readable and meets WCAG AA and AAA.

  • Free
  • No signup
  • Private: runs in your browser
  • Works on mobile

Colour Contrast Checker (WCAG) tool

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Example

With the default values shown in the tool, the results look like this:

Contrast ratio
14.68 : 1
AA normal text (4.5)
Pass
AA large text (3)
Pass
AAA normal text (7)
Pass

How to use Colour Contrast Checker (WCAG)

  1. Enter your values in the fields above.
  2. The result updates instantly as you type or change an option.
  3. Copy the result or note it down. Nothing is saved on our servers.

Why use DocConvertPRO?

  • Free to use with no signup or watermark.
  • Everything runs in your browser. Your input is not uploaded.
  • Works on phones, tablets and computers.
  • Made for Indian users: rupees, lakh/crore formats and local use cases.

About this tool

WCAG AA requires 4.5:1 for normal text and 3:1 for large text. AAA requires 7:1.

Frequently asked questions

What is large text?

About 18pt or 14pt bold.

Why does contrast matter?

It helps users with low vision and in bright light.

Is AA enough?

AA is the usual target for most sites.

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