The Count’s Black
#102030
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
#102030
RGB
16, 32, 48
OKLCh
23.8% 0.038 249.7°
CIELAB (D50)
11.5, -2.4, -12.9
What is true of this colour, and of no other
- 2 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 103.4; 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 8.3 and 8.9 and 11.1 — no red cone.
Text on this colour
White text
16.52:1 — passes AA
Black text
1.27:1 — fails AA
White text is the better of the two at16.52:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#102030
protanopia
#1f1f30 · ΔE00 8.3
deuteranopia
#1c1c30 · ΔE00 8.9
tritanopia
#191944 · ΔE00 11.1
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isFog of War at ΔE00 0.736: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Fog of WarΔE00 0.736 · #112233
- Hēi Sè BlackΔE00 1.577 · #142030
- DarkΔE00 2.93 · #1b2431
- Celestial CanvasΔE00 2.972 · #0a2538
- Abyssal Anchorfish BlueΔE00 2.985 · #1b2632
- Oxford by NightΔE00 3.125 · #001b2e
- Trapped DarknessΔE00 3.199 · #0e1d32
- CyanophobiaΔE00 3.341 · #001f33
- Creeping DeathΔE00 3.665 · #041723
- KonΔE00 4.412 · #192236
- Kuretake Black MangaΔE00 4.455 · #001122
- Moonless MysteryΔE00 4.515 · #1e2433
8 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.