Moonless Night
#3c393d
A neutral that has no useful hue — it reads as a grey. It is dark — it carries white text and needs care with black.
Hex
#3c393d
RGB
60, 57, 61
OKLCh
34.9% 0.008 317.7°
CIELAB (D50)
24.4, 2.0, -2.0
What is true of this colour, and of no other
- 6 other named colours sit within ΔE00 2 of it.
- It uses only 5% 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 96.3; 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.
- tritanopia shifts it by ΔE00 7.5 — no blue cone.
Text on this colour
White text
11.38:1 — passes AA
Black text
1.84:1 — fails AA
White text is the better of the two at11.38:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#3c393d
protanopia
#39393d · ΔE00 2.0
deuteranopia
#3a3a3d · ΔE00 2.1
tritanopia
#3b3b34 · ΔE00 7.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isAvocado Peel at ΔE00 0.952: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Avocado PeelΔE00 0.952 · #39373b
- Bohemian BlackΔE00 1.047 · #3b373c
- Midnight EscapeΔE00 1.21 · #403c40
- Shiny RubberΔE00 1.257 · #3a363b
- Blue GraphiteΔE00 1.839 · #3a383f
- TuxedoΔE00 1.99 · #3f3c43
- Deep Forest BrownΔE00 2.007 · #393437
- Sayward PineΔE00 2.023 · #383739
- Bluish BlackΔE00 2.08 · #413f44
- Jet BlackΔE00 2.104 · #353337
- Black TortoiseΔE00 2.352 · #353235
- Shisha CoalΔE00 2.407 · #3c3b3c
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.