AA vs. AAA
AA is the common accessibility target. AAA is stricter and may not be practical for every visual identity or type size.
Northstar
ProductNotes
Design that can be read.
Contrast is not decoration. It determines whether text, controls, and important boundaries remain visible to more people.
Readable type
Body copy and labels
Body copy and labels
Visible controls
Buttons and focus states
Buttons and focus states
Useful hierarchy
Not color alone
Not color alone
Large text
Large or bold text can pass at a lower ratio because its shapes remain easier to distinguish.
Contrast is not enough
Readable typography also depends on size, weight, spacing, line length, and avoiding color as the only signal.