Plunged Into Darkness

#431c53

A magenta that is muted. It is dark — it carries white text and needs care with black.

Hex

#431c53

RGB

67, 28, 83

OKLCh

31.1% 0.102 314.8°

CIELAB (D50)

18.4, 26.7, -25.9

What is true of this colour, and of no other

  • 2 other named colours sit within ΔE00 2 of it.
  • It uses 66% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 99.9; on black, Lc 0.0. The sign is the polarity, which the WCAG ratio discards.
  • Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
  • protanopia and deuteranopia and tritanopia shift it by ΔE00 11.0 and 11.1 and 44.7 — no red cone.

Text on this colour

White text

13.73:1 — passes AA

Black text

1.53:1 — fails AA

White text is the better of the two at13.73:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#431c53

protanopia

#232353 · ΔE00 11.0

deuteranopia

#2b2b53 · ΔE00 11.1

tritanopia

#333300 · ΔE00 44.7

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isObsidian Orchid at ΔE00 1.194: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

8 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.