Dragon’s Blood

#b84048

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

Hex

#b84048

RGB

184, 64, 72

OKLCh

54.2% 0.155 20.1°

CIELAB (D50)

45.3, 49.6, 23.1

What is true of this colour, and of no other

  • 9 other named colours sit within ΔE00 2 of it.
  • It uses 71% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 76.2; on black, Lc -25.5. 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 30.6 and 37.1 and 47.2 — no red cone.

Text on this colour

White text

5.43:1 — passes AA

Black text

3.87:1 — large text only

White text is the better of the two at5.43:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#b84048

protanopia

#595949 · ΔE00 30.6

deuteranopia

#757542 · ΔE00 37.1

tritanopia

#8c8c00 · ΔE00 47.2

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isChinese Safflower at ΔE00 0.447: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

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