Accessibility: Colour contrast
To meet accessibility regulations, the colour contrast ratio for text and interactive elements must have a ratio of at least 4.5:1.
WCAG 2.2 Success criterion 1.4.3 Contrast (minimum)
WebAim: Colour contrast checker
plymouth.gov.uk colours
These are the colours we use on plymouth.gov.uk
Brand colour
Buttons
Links
Focus state
Only use this colour to indicate which element is focused on. For example when a user tabs to an element using their keyboard.