Ethereal Espresso on Double Denim
#3e2723 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
6.95:1
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 59.8
Clears Lc 45 — large or heavy display text.
Dark text on a lighter ground.
Colour difference
ΔE00 61.6
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 7.54:1, ΔE00 60.6.
deuteranopia
Ratio 6.66:1, ΔE00 59.0.
tritanopia
Ratio 6.08:1, ΔE00 67.7.
The weakest of the three is deuteranopia, where the two are ΔE00 59.0 apart against 61.6 for a trichromat — still clearly two colours.
Both colours have pages of their own: Ethereal Espresso ·Double Denim · the same pair the other way round ·all pairs