Abyssal Waters on Summer Crush
#005765 on #f2d6da
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
6.04:1
Passes AA for body text
Not AAA (7:1). Swapping the two colours gives the same number — the ratio does not know which is the text.
APCA
Lc 67.8
Clears Lc 60 — headlines and other larger text.
Dark text on a lighter ground.
Colour difference
ΔE00 62.5
different colours
Above 10 — related only in the sense that both are colours.
Nothing to fix
This pair already clears 4.5:1, so #005765 can stay exactly as it is. Check another pair.
And to someone missing a cone
protanopia
Ratio 5.42:1, ΔE00 45.4.
deuteranopia
Ratio 6.41:1, ΔE00 52.1.
tritanopia
Ratio 6.21:1, ΔE00 84.3.
The weakest of the three is protanopia, where the two are ΔE00 45.4 apart against 62.5 for a trichromat — still clearly two colours.
Both colours have pages of their own: Abyssal Waters ·Summer Crush · the same pair the other way round ·all pairs