Intergalactic Settlement
#5b1e8b
A violet that is saturated. It is dark — it carries white text and needs care with black.
Hex
#5b1e8b
RGB
91, 30, 139
OKLCh
39.0% 0.169 305.0°
CIELAB (D50)
26.2, 42.7, -49.2
What is true of this colour, and of no other
- 4 other named colours sit within ΔE00 2 of it.
- It uses 83% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 93.4; on black, Lc -9.1. 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 11.4 and 11.8 and 57.2 — no red cone.
Text on this colour
White text
10.48:1 — passes AA
Black text
2.00:1 — fails AA
White text is the better of the two at10.48:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#5b1e8b
protanopia
#2a2a8b · ΔE00 11.4
deuteranopia
#38388a · ΔE00 11.8
tritanopia
#444400 · ΔE00 57.2
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBanafš Violet at ΔE00 1.422: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Banafš VioletΔE00 1.422 · #5a1991
- Kalish VioletΔE00 1.472 · #552288
- American VioletΔE00 1.535 · #551b8c
- PurplexΔE00 1.857 · #602287
- Wild VioletΔE00 2.64 · #63209b
- Queens of the DeadΔE00 2.656 · #652793
- Eggplant TintΔE00 2.762 · #531b93
- Sapphire SirenΔE00 3.04 · #662288
- KSU PurpleΔE00 3.107 · #512888
- SQL Injection PurpleΔE00 3.271 · #5e0092
- ExtravioletΔE00 3.273 · #661188
- OccultΔE00 3.377 · #4b1e87
7 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.