Color Contrast Checker

Test the contrast ratio between your background and text to ensure ADA/WCAG compliance.

About Color Contrast Checker

Is your gray text too hard to read? Use the Free Color Contrast Checker. It is the Best Accessibility Tester to accurately check wcag contrast ratios and keep your site accessible.

Features

Calculates exact contrast ratios (e.g., 4.5:1, 7:1)
Tests against WCAG 2.1 AA and AAA standards
Provides live previews of large and small text
Suggests adjustments if the colors fail the test
Crucial for inclusive web design and legal compliance

How to Use

Enter the HEX code for your Text Color.
Enter the HEX code for your Background Color.
Review the contrast ratio score.
Check if it passes the "Pass/Fail" badges for AA and AAA compliance.

Frequently Asked Questions

What is a good contrast ratio?

For normal text, the WCAG AA standard requires a ratio of at least 4.5:1. For large text (18pt or 14pt bold), the requirement drops to 3.0:1.

What is WCAG?

The Web Content Accessibility Guidelines (WCAG) are international standards ensuring web content is accessible to people with disabilities, including visual impairments.

Why did my brand colors fail?

Many modern, low-contrast designs (like light grey text on white) look sleek but are impossible for visually impaired users to read. You may need to darken the text.

Is WCAG compliance legally required?

In many countries, yes. Government websites, schools, and large corporations are frequently sued for having inaccessible websites with poor color contrast.

What is WCAG?

WCAG stands for Web Content Accessibility Guidelines, the standard for making web content accessible to people with disabilities.

What is a passing ratio?

Standard text requires a ratio of at least 4.5:1 (AA), while large text needs 3.0:1.

Does it test AA and AAA levels?

Yes, it displays pass/fail results for both WCAG levels.

Is this a free color contrast checker?

Yes, this free color contrast checker is entirely free.

Why use the best accessibility tester?

Because it ensures your website is legally compliant and usable by everyone.

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