Brick

#a03623

A red that is muted. It is mid — the hardest range to put text on, either colour struggles.

Hex

#a03623

RGB

160, 54, 35

OKLCh

48.4% 0.144 32.4°

CIELAB (D50)

38.8, 43.9, 36.2

What is true of this colour, and of no other

  • 4 other named colours sit within ΔE00 2 of it.
  • It uses 80% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 82.9; on black, Lc -19.0. 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 31.2 and 34.6 and 38.8 — no red cone.

Text on this colour

White text

6.89:1 — passes AA

Black text

3.05:1 — large text only

White text is the better of the two at6.89:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#a03623

protanopia

#4c4c24 · ΔE00 31.2

deuteranopia

#656519 · ΔE00 34.6

tritanopia

#797900 · ΔE00 38.8

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBrownish Red at ΔE00 0.409: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

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