WCAG only defines a large text size. The industry best practice for regular text size is 12 point.
WCAG 2.1 AA Text Size Requirements
Text Size | Point Size | Pixel Size | Weight | Contrast | WCAG Level |
---|---|---|---|---|---|
Large | 18 pt and larger | 24 px and larger | Normal | 3:1 | Level AA |
Large | 14 pt and larger | 19 px and larger | Bold | 3:1 | Level AA |
Regular | 13 pt | 18 px | Bold | 4.5:1 | Level AA |
Regular | 12 pt | 16 px | Normal | 4.5:1 | Level AA |
Small | 11 pt and smaller | 15 px and smaller | Normal or Bold | 4.5:1 | Level AA |
If two different fonts have the same point size, they may not display the same, for example: