Astral Nomad

#203943

A cyan that is nearly neutral — the hue shows only against a true grey. It is dark — it carries white text and needs care with black.

Hex

#203943

RGB

32, 57, 67

OKLCh

32.9% 0.036 225.5°

CIELAB (D50)

22.3, -7.6, -9.4

What is true of this colour, and of no other

  • 3 other named colours sit within ΔE00 2 of it.
  • It uses 57% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 97.7; 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 12.0 and 13.0 and 15.7 — no red cone.

Text on this colour

White text

12.15:1 — passes AA

Black text

1.73:1 — fails AA

White text is the better of the two at12.15:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#203943

protanopia

#373743 · ΔE00 12.0

deuteranopia

#333343 · ΔE00 13.0

tritanopia

#2e2e67 · ΔE00 15.7

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isInto the Night at ΔE00 1.573: 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.