If you are working to the European Accessibility Act, the standard you are working to is EN 301 549 V3. 2. 1 (2021-03) , and it adopts WCAG 2.
Source: [Dev.to](https://dev.to/jagheteralex/en-301-549-is-about-to-move-to-wcag-22-six-criteria-one-date-and-one-requirement-that-5ae6)