Lucius Lilac

#baa2ce

A violet that is nearly neutral — the hue shows only against a true grey. It is light — black text sits on it comfortably, white text does not.

Hex

#baa2ce

RGB

186, 162, 206

OKLCh

74.8% 0.067 309.4°

CIELAB (D50)

69.9, 15.3, -19.2

What is true of this colour, and of no other

  • 6 other named colours sit within ΔE00 2 of it.
  • It uses only 39% 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 45.3; on black, Lc -56.8. 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 8.2 and 8.2 and 36.9 — no red cone.

Text on this colour

White text

2.30:1 — fails AA

Black text

9.15:1 — passes AA

Black text is the better of the two at9.15:1. That is enough for body text.

As text on white, it needs to change

#856e97 is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.

Try it against your own background

The same colour, with one cone missing

As you see it

#baa2ce

protanopia

#a5a5ce · ΔE00 8.2

deuteranopia

#a9a9ce · ΔE00 8.2

tritanopia

#aeae83 · ΔE00 36.9

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isGlass Violet at ΔE00 0.931: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Glass VioletΔE00 0.931 · #b7a2cc
  • Dechala LilacΔE00 1.053 · #b69fcc
  • LavendulaΔE00 1.56 · #bca4cb
  • Turnip CrownΔE00 1.577 · #bb9ecd
  • Purple PremiereΔE00 1.65 · #b9a0d2
  • Purple ProphetΔE00 1.716 · #bb9eca
  • Violet FieldsΔE00 2.289 · #b8a4c8
  • Berry FrappéΔE00 2.429 · #b3a1c6
  • Purple GladiolaΔE00 2.515 · #c1abd4
  • Enchanted LavenderΔE00 2.585 · #bfa3d9
  • PerfumeΔE00 2.643 · #c2a9db
  • Crocus PetalΔE00 2.685 · #b99bc5

10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.