Shot in the Dark

#1d0d1d

A magenta that is nearly neutral — the hue shows only against a true grey. It is very dark — white text sits on it comfortably, black text does not.

Hex

#1d0d1d

RGB

29, 13, 29

OKLCh

19.0% 0.040 327.0°

CIELAB (D50)

5.7, 10.2, -7.4

What is true of this colour, and of no other

  • 2 other named colours sit within ΔE00 2 of it.
  • It uses 45% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 105.1; 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 8.9 and 9.1 and 22.4 — no red cone.

Text on this colour

White text

18.62:1 — passes AA

Black text

1.13:1 — fails AA

White text is the better of the two at18.62:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#1d0d1d

protanopia

#0f0f1d · ΔE00 8.9

deuteranopia

#13131d · ΔE00 9.1

tritanopia

#161600 · ΔE00 22.4

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isInside at ΔE00 1.774: 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.