The Must Have WCAG 2.1 Checklist
Designing products that are both usable and accessible to most users requires that you go beyond the A level and focus on meeting AA or AAA contrast requirements.
To help you to get started, you could take a look to this checklist
This checklist is a practical resource guide for experienced accessibility professionals and for those newer to the industry.
The first part is a primer of industry nomenclature and accessibility testing approaches. Fillable and printable checklists follow.
For even more ease, you can download the Stark plugin via Figma, Adobe XD, or Sketch to make sure that your designs pass either of the AA or AAA levels with full confidence before handing off your work.