Moonless Sky

#444b4a

A neutral that has no useful hue — it reads as a grey. It is mid — the hardest range to put text on, either colour struggles.

Hex

#444b4a

RGB

68, 75, 74

OKLCh

40.6% 0.009 186.5°

CIELAB (D50)

31.2, -3.1, -0.4

What is true of this colour, and of no other

  • 8 other named colours sit within ΔE00 2 of it.
  • It uses only 13% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
  • As text on white it measures APCA Lc 90.5; on black, Lc -11.8. 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.
  • tritanopia shifts it by ΔE00 12.2 — no blue cone.

Text on this colour

White text

8.93:1 — passes AA

Black text

2.35:1 — fails AA

White text is the better of the two at8.93:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#444b4a

protanopia

#4a4a4a · ΔE00 4.2

deuteranopia

#49494a · ΔE00 4.5

tritanopia

#48485c · ΔE00 12.2

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBamboo Charcoal at ΔE00 1.198: 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.