Pompeian Red
#a82a38
A red that is saturated. It is mid — the hardest range to put text on, either colour struggles.
Hex
#a82a38
RGB
168, 42, 56
OKLCh
48.8% 0.162 19.8°
CIELAB (D50)
38.9, 51.8, 24.3
What is true of this colour, and of no other
- 6 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 82.5; on black, Lc -19.4. 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 30.9 and 38.0 and 46.6 — no red cone.
Text on this colour
White text
6.88:1 — passes AA
Black text
3.05:1 — large text only
White text is the better of the two at6.88:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#a82a38
protanopia
#484839 · ΔE00 30.9
deuteranopia
#656532 · ΔE00 38.0
tritanopia
#7d7d00 · ΔE00 46.6
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isScarlet Sage at ΔE00 0.916: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Scarlet SageΔE00 0.916 · #aa2335
- Dòu Shā Sè RedΔE00 1.001 · #a52939
- Cherry KissΔE00 1.015 · #a32e39
- Show-StopperΔE00 1.022 · #a42e37
- Alabama CrimsonΔE00 1.653 · #a32638
- American BeautyΔE00 1.983 · #a73340
- Japanese CarmineΔE00 2.126 · #9f2832
- Chilli PepperΔE00 2.141 · #ac1e3a
- Planet FeverΔE00 2.264 · #af313a
- Wine & RosesΔE00 2.294 · #a33540
- Positive RedΔE00 2.298 · #ad2c34
- Vinho do PortoΔE00 2.299 · #b31a38
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.