Darkest Forest on Double Denim
#223311 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
6.81:1
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 59.4
Clears Lc 45 — large or heavy display text.
Dark text on a lighter ground.
Colour difference
ΔE00 62.4
different colours
Above 10 — related only in the sense that both are colours.
Nothing to fix
This pair already clears 4.5:1, so #223311 can stay exactly as it is. Check another pair.
And to someone missing a cone
protanopia
Ratio 6.93:1, ΔE00 64.0.
deuteranopia
Ratio 6.75:1, ΔE00 62.6.
tritanopia
Ratio 6.44:1, ΔE00 52.4.
The weakest of the three is tritanopia, where the two are ΔE00 52.4 apart against 62.4 for a trichromat — still clearly two colours.
Both colours have pages of their own: Darkest Forest ·Double Denim · the same pair the other way round ·all pairs