Cold and Dark
#154250
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
#154250
RGB
21, 66, 80
OKLCh
35.5% 0.054 222.1°
CIELAB (D50)
25.4, -11.9, -13.3
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 82% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 95.0; on black, Lc -7.6. 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 16.7 and 17.7 and 16.6 — no red cone.
Text on this colour
White text
10.90:1 — passes AA
Black text
1.93:1 — fails AA
White text is the better of the two at10.90:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#154250
protanopia
#3f3f50 · ΔE00 16.7
deuteranopia
#393951 · ΔE00 17.7
tritanopia
#323282 · ΔE00 16.6
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isMoscow Midnight at ΔE00 1.812: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Moscow MidnightΔE00 1.812 · #204652
- Blue SyzygyΔE00 1.986 · #1b4556
- Winter WavesΔE00 2.105 · #21424d
- Crab NebulaΔE00 2.11 · #004455
- Sultan’s SilkΔE00 2.236 · #134558
- RainstormΔE00 2.448 · #244653
- Ethereal DanceΔE00 2.632 · #1a4a5a
- MallardΔE00 2.728 · #254855
- Green VogueΔE00 2.913 · #23414e
- Blue HillΔE00 2.916 · #1e454d
- Night SwimΔE00 3.013 · #254a57
- Bay Isle PointeΔE00 3.071 · #214048
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.