WCAG Pulse is an automated web accessibility testing platform that scans websites for WCAG 2.1 and WCAG 2.2 compliance issues using the axe-core engine. It provides detailed reports with specific element selectors, code snippets, and actionable fix recommendations.

What accessibility standards does WCAG Pulse support?

WCAG Pulse supports WCAG 2.0, WCAG 2.1, and WCAG 2.2 at all conformance levels (A, AA, AAA). It also helps with Section 508, ADA Title III, and EN 301 549 compliance requirements.

How much does WCAG Pulse cost?

WCAG Pulse offers a Free plan (100 pages/month, 1 site), Starter at $35/month (500 pages, 3 sites), Pro at $79/month (2,500 pages, 10 sites, Slack integration), and Business at $199/month (12,000 pages, 50 sites, API access). Annual billing saves 17%.

What accessibility issues can WCAG Pulse detect?

WCAG Pulse detects issues including: missing alt text, insufficient color contrast, missing form labels, keyboard accessibility problems, ARIA attribute errors, heading structure issues, missing document language, and many more automated checks powered by axe-core.

Can I integrate WCAG Pulse with my CI/CD pipeline?

Yes, WCAG Pulse provides a RESTful API (available on Pro and Business plans) that can be integrated with GitHub Actions, GitLab CI, Jenkins, and other CI/CD tools to automate accessibility testing as part of your deployment workflow.

How accurate is WCAG Pulse scanning?

WCAG Pulse uses axe-core, which has a zero false-positive guarantee for detected issues. Automated testing covers approximately 60% of WCAG criteria. For complete WCAG 2.2 compliance, we recommend combining automated testing with manual review.

Color Contrast Checker

Check if your color combinations meet WCAG 2.1 accessibility standards

Text Color

Background Color

Large Text (18pt+) Normal text sample for contrast testing

21:1 Contrast Ratio

WCAG AA

Normal Text Large Text

WCAG AAA

Normal Text Large Text

WCAG Contrast Requirements

WCAG AA (Minimum)

4.5:1 for normal text
3:1 for large text (18pt+ or 14pt bold)
3:1 for UI components and graphics

WCAG AAA (Enhanced)

7:1 for normal text
4.5:1 for large text (18pt+ or 14pt bold)

Want to check your entire website?

WCAG Pulse scans your website for contrast issues and 50+ other accessibility problems.

Try Free Scan

WCAG Contrast Requirements

WCAG AA (Minimum)

WCAG AAA (Enhanced)

Want to check your entire website?

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