CONTENTdm is compliant with Web Content Accessibility Guidelines (WCAG). OCLC performed usability testing and Web Content Accessibility Guidelines (WCAG) compliance testing to ensure the best possible result for your users. Full compliance with WCAG will depend on the items and related materials loaded to a CONTENTdm repository, and OCLC continues to make WCAG a priority with each release.
There is more on Web Content Accessibility Guidelines.