Ethereal Espresso on Atomic Pink
#3e2723 on #fb7efd
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
6.26:1
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 55.3
Clears Lc 45 — large or heavy display text.
Dark text on a lighter ground.
Colour difference
ΔE00 57.0
different colours
Above 10 — related only in the sense that both are colours.
Nothing to fix
This pair already clears 4.5:1, so #3e2723 can stay exactly as it is. Check another pair.
And to someone missing a cone
protanopia
Ratio 5.39:1, ΔE00 52.8.
deuteranopia
Ratio 6.69:1, ΔE00 61.4.
tritanopia
Ratio 7.23:1, ΔE00 59.8.
The weakest of the three is protanopia, where the two are ΔE00 52.8 apart against 57.0 for a trichromat — still clearly two colours.
Both colours have pages of their own: Ethereal Espresso ·Atomic Pink · the same pair the other way round ·all pairs