Galactic Federation on Double Denim
#330077 on #95bce1
Body text at this size
And the smaller size most interfaces actually use for paragraphs — the size that decides whether a pair is usable.
Caption text, which almost nothing passes.
WCAG 2.1
7.50:1
Passes AA for body text
AAA too. Swapping the two colours gives the same number — the ratio does not know which is the text.
APCA
Lc 59.7
Clears Lc 45 — large or heavy display text.
Dark text on a lighter ground.
Colour difference
ΔE00 58.8
different colours
Above 10 — related only in the sense that both are colours.
Nothing to fix
This pair already clears 4.5:1, so #330077 can stay exactly as it is. Check another pair.
And to someone missing a cone
protanopia
Ratio 8.23:1, ΔE00 60.7.
deuteranopia
Ratio 7.15:1, ΔE00 55.6.
tritanopia
Ratio 6.96:1, ΔE00 52.9.
The weakest of the three is tritanopia, where the two are ΔE00 52.9 apart against 58.8 for a trichromat — still clearly two colours.
Both colours have pages of their own: Galactic Federation ·Double Denim · the same pair the other way round ·all pairs