Saved by Daniel Wentsch and
A guide to designing accessible, WCAG-compliant focus indicators

some of the things that we subconsciously think about when building interfaces https://t.co/CLAPRkc5TG
Web Interface Guidelines
interfaces.rauno.meTo give both sighted and non-sighted users an equivalent experience, we can use the well-supported aria-invalid attribute. When the user focuses the input, it will now announce “Invalid” (or similar) in screen readers.