Black Turmeric
#2c4364
A blue 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
#2c4364
RGB
44, 67, 100
OKLCh
38.0% 0.064 257.4°
CIELAB (D50)
27.7, -1.0, -22.5
What is true of this colour, and of no other
- 3 other named colours sit within ΔE00 2 of it.
- It uses 46% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 93.2; on black, Lc -9.3. 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 8.7 and 8.4 and 7.0 — no red cone.
Text on this colour
White text
10.03:1 — passes AA
Black text
2.09:1 — fails AA
White text is the better of the two at10.03:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#2c4364
protanopia
#414164 · ΔE00 8.7
deuteranopia
#3d3d64 · ΔE00 8.4
tritanopia
#393981 · ΔE00 7.0
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isElmer’s Echo at ΔE00 1.593: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Elmer’s EchoΔE00 1.593 · #264066
- Stay the NightΔE00 1.798 · #314662
- NightlifeΔE00 1.886 · #27426b
- Alpine RaceΔE00 2.058 · #234162
- Hydrogen BlueΔE00 2.318 · #33476d
- NautilusΔE00 2.406 · #273c5a
- Midnight InterludeΔE00 2.415 · #32496f
- Blue FunkΔE00 2.506 · #2d4470
- Blue MosqueΔE00 2.53 · #21426b
- Forlorn CruiseΔE00 2.584 · #34466c
- Lake ViewΔE00 2.64 · #2e4967
- LimogesΔE00 2.773 · #243f6c
6 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.