Royal Plum
#654161
A magenta that is nearly neutral — the hue shows only against a true grey. It is mid — the hardest range to put text on, either colour struggles.
Hex
#654161
RGB
101, 65, 97
OKLCh
42.9% 0.069 330.7°
CIELAB (D50)
32.7, 20.3, -12.4
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses only 35% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
- As text on white it measures APCA Lc 89.0; on black, Lc -13.2. 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 13.6 and 14.3 and 43.0 — no red cone.
Text on this colour
White text
8.46:1 — passes AA
Black text
2.48:1 — fails AA
White text is the better of the two at8.46:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#654161
protanopia
#464661 · ΔE00 13.6
deuteranopia
#4e4e60 · ΔE00 14.3
tritanopia
#555500 · ΔE00 43.0
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isGrape Fizz at ΔE00 1.361: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Grape FizzΔE00 1.361 · #64435f
- SultanaΔE00 1.993 · #674668
- Purple OdysseyΔE00 2.229 · #643e65
- Parma Plum RedΔE00 2.635 · #5e3958
- Precious JewelsΔE00 2.683 · #613a57
- HortensiaΔE00 2.756 · #61435b
- Pansy PetalΔE00 3.015 · #5f4561
- Blackberry WineΔE00 3.15 · #5c3c55
- Purple WineberryΔE00 3.198 · #5a395b
- Wizard TimeΔE00 3.199 · #6d4660
- Bruised BearΔE00 3.27 · #5d3954
- Berry LightΔE00 3.29 · #673b66
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.