Hot Lips
#c9312b
A red that is saturated. It is mid — the hardest range to put text on, either colour struggles.
Hex
#c9312b
RGB
201, 49, 43
OKLCh
55.1% 0.190 27.7°
CIELAB (D50)
46.1, 59.4, 42.0
What is true of this colour, and of no other
- 7 other named colours sit within ΔE00 2 of it.
- It uses 84% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 74.9; on black, Lc -26.8. 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 36.9 and 42.0 and 47.2 — no red cone.
Text on this colour
White text
5.31:1 — passes AA
Black text
3.96:1 — large text only
White text is the better of the two at5.31:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#c9312b
protanopia
#56562d · ΔE00 36.9
deuteranopia
#79791c · ΔE00 42.0
tritanopia
#969600 · ΔE00 47.2
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isPeri Peri at ΔE00 1.342: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Peri PeriΔE00 1.342 · #c62d2c
- Flush MahoganyΔE00 1.474 · #ca2425
- Cadillac CoupeΔE00 1.647 · #c0362c
- Golden Gate BridgeΔE00 1.658 · #c0362d
- LionheartΔE00 1.716 · #cc2222
- FireballΔE00 1.875 · #ce2029
- Persian RedΔE00 1.92 · #cc3333
- Red SealΔE00 2.046 · #c92d21
- Smouldering RedΔE00 2.066 · #ca3434
- KnockoutΔE00 2.182 · #c42b2d
- Flaming CherryΔE00 2.193 · #d4202a
- Cartoon ViolenceΔE00 2.198 · #d01722
2 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.