Arcane Red

#6a2f2f

A red that is muted. It is dark — it carries white text and needs care with black.

Hex

#6a2f2f

RGB

106, 47, 47

OKLCh

38.6% 0.085 21.8°

CIELAB (D50)

27.9, 26.9, 13.3

What is true of this colour, and of no other

  • 8 other named colours sit within ΔE00 2 of it.
  • It uses 55% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 93.2; on black, Lc -9.3. 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 24.5 and 27.0 and 32.9 — no red cone.

Text on this colour

White text

10.19:1 — passes AA

Black text

2.06:1 — fails AA

White text is the better of the two at10.19:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#6a2f2f

protanopia

#39392f · ΔE00 24.5

deuteranopia

#47472d · ΔE00 27.0

tritanopia

#535300 · ΔE00 32.9

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSpring Lobster Brown at ΔE00 1.277: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

  • Spring Lobster BrownΔE00 1.277 · #6c2c2f
  • Dried PlumΔE00 1.461 · #683332
  • Devil’s LipΔE00 1.507 · #662a2c
  • Kenyan CopperΔE00 1.733 · #6c322e
  • Makore Veneer RedΔE00 1.823 · #6e2f2c
  • Woody BrownΔE00 1.853 · #6e2d2b
  • VoluptuousΔE00 1.903 · #673033
  • City RoastΔE00 1.987 · #663333
  • Rookwood RedΔE00 2.032 · #622f2d
  • Red TheatreΔE00 2.196 · #6e3637
  • PortΔE00 2.217 · #6d3637
  • Crystal Dark RedΔE00 2.242 · #6d2c32

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