If you are using Blackboard, you can take advantage of the help and feedback offered by the tool, Blackboard Ally, to make your course content accessible.
Is it a legal requirement that University Websites are accessible?
From CAST Legal Obligations for Accessibility: Two disability-related civil rights laws govern the obligations of postsecondary institutions with respect to the accessibility of digital learning materials and online courses—Section 504 of the Rehabilitation Act of 1973 (Section 504) and the Americans with Disabilities Act (ADA). Section 504 prohibits discrimination on the basis of disability in all postsecondary institutions that receive federal funding, including schools that accept federal financial aid.3 Title II of the ADA applies to all public colleges and universities, regardless of whether they receive federal funding;4 Title III of the ADA applies to private colleges and universities. (42 U.S.C. §§ 12181(7)(J), 12182(a))
Below is a list of resources to help you create accessible course content.