Contrast Checker

Run a free color contrast test to ensure your website’s text, images, and user interface components are distinguishable and accessible to everyone, including individuals with visual impairments.

Easy-to-Use Tool – No Expertise Required

Aligned with WCAG 2.1 AA and AAA Standards

Instant Results with Actionable Insights

The quick brown fox jumps over the lazy dog

Foreground:

Foreground Hex:

#0000FF

Foreground Luma:

Background:

Background Hex:

#FFFFFF

Background Luma:

AA Components:

AA Headlines:

AA Text:

AAA Headline:

AAA Text:

What is Color Contrast in Web Accessibility?

Color contrast refers to the difference in luminance between the foreground text and background colors, making content readable and accessible. Ensuring good color contrast is essential for individuals with:

Visual impairments
Color deficiencies
Low vision

The WCAG 2.1 Level AA Success Criteria specify the following:

A contrast ratio of 4.5:1 for normal text.
A contrast ratio of 3:1 for large-scale text, images, and graphical objects.
A contrast ratio of 3:1 for user interface components and form elements.

For stricter Level AAA conformance:

A contrast ratio of 7:1 is required for text and visual presentation.

Why Use Our Color Contrast Checker?

Our tool helps you evaluate and improve the accessibility of your website’s color contrast, ensuring compliance with global accessibility standards, including:

WCAG 2.1
Section 508
ADA
EN 301 549
BITV 2.0
AODA

Key Benefits:

Identify Problem Areas: Pinpoint color contrast issues that affect readability.

Ensure Compliance: Stay aligned with accessibility laws and avoid legal risks.

Improve User Experience: Make your website content perceivable for all users.

Features of the Color Contrast Checker

Our free tool evaluates your website’s colors against WCAG 2.0/2.1 standards and provides:

Guidelines: Results categorized by WCAG Level A, AA, and AAA.
Prioritized Recommendations: High, medium, and low-impact issues.
Tags: Insights by CSS, HTML, or JavaScript elements.
Visual Examples: Clear depictions of compliant and non-compliant color contrasts.

Color Contrast and WCAG Compliance

Achieving WCAG 2.1 AA compliance ensures that your website meets the gold standard for accessibility. This includes making your content:

Readable for individuals with color deficiencies.
Distinguishable for users with low vision or visual impairments.
Inclusive for all while improving SEO and usability for everyone.

Frequently Asked Questions (FAQ)

What is color contrast?

Color contrast measures the difference in luminance between foreground (text) and background colors to ensure readability.

Why is a contrast checker important?

It helps ensure that your website content is accessible to individuals with visual impairments and complies with accessibility standards like WCAG, ADA, and EN 301 549.

Who should use a contrast checker?

Anyone aiming to improve web accessibility, including designers, developers, and organizations, should use this tool to meet compliance standards.

What elements are exempt from color contrast requirements?

Decorative images, inactive user interface components, brand logos, and media files are exempt, though improving their contrast is recommended for better usability.

How do I perform color contrast compliance testing?

Simply use our color contrast checker to evaluate your website against WCAG 2.1 AA standards.

Get Started with Our Free Color Contrast Checker Tool

Ensure your website is accessible, inclusive, and compliant with WCAG 2.1 standards. Start testing now and make your web content readable for everyone!