Web Accessibility WCAG 2.1 Knowledge Base

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Conformance Levels

Web Accessibility and WCAG 2.1 is a relatively new area of expertise for many web developers and webmasters. We’re working to build a comprehensive knowledge base of questions and answers to help solve the unique challenges around building websites with web accessibility in mind.  Browse or search our knowledge base, or submit questions to our team of developers. If you need more help, learn more about our WCAG audits and accessibility scanning platform.

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Browse Recent Questions & Answers

What are the hover state contrast requirements for drop down lists?

I have a dropdown list with black text in a form. Does the background bar on the hover states as you hover over each selection option require a 3.1 contrast ratio against the white container background, or can I use a light gray background bar...

  • color contrast
  • drop down
  • focus state
  • hover state