HueComb

X Marks the Spot

#e6474a

A red that is saturated. It is light — black text sits on it comfortably, white text does not.

Hex

#e6474a

RGB

230, 71, 74

OKLCh

62.6% 0.196 23.8°

CIELAB (D50)

54.6, 62.0, 35.5

What is true of this colour, and of no other

  • 4 other named colours sit within ΔE00 2 of it.
  • It uses 77% of the chroma sRGB can show at this lightness and hue.
  • As text on white it measures APCA Lc 65.4; on black, Lc -36.3. 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 36.9 and 43.4 and 51.2 — no red cone.

Text on this colour

White text

3.91:1 — large text only

Black text

5.36:1 — passes AA

Black text is the better of the two at5.36:1. That is enough for body text.

As text on white, it needs to change

#da3b40 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

#e6474a

protanopia

#6a6a4c · ΔE00 36.9

deuteranopia

#8f8f41 · ΔE00 43.4

tritanopia

#aeae00 · ΔE00 51.2

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isRed Arremer at ΔE00 1.054: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.

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