Start here
- W3C: Tips for Designing: Short guidance on contrast, focus, and layouts that adapt.
- Forlæns contrast checker: Compare colour combinations while you work.
- W3C: WCAG 2.2: Look up the criteria behind a specific design decision.
Accessible design
Start with contrast, clear hierarchy, and visible interaction states. Try your choices with real text and different ways of using the page.
A first step
Choose one important page, measure text contrast, and use it with a keyboard. Note where it is hard to see the focus indicator.