Coco’s Black

#1c1c1a

A neutral that has no useful hue — it reads as a grey. It is dark — it carries white text and needs care with black.

Hex

#1c1c1a

RGB

28, 28, 26

OKLCh

22.6% 0.004 106.7°

CIELAB (D50)

10.2, -0.4, 1.4

What is true of this colour, and of no other

  • 4 other named colours sit within ΔE00 2 of it.
  • It uses only 8% 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 104.0; on black, Lc 0.0. 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.
  • All three dichromacies see it as very nearly the same colour you do: its hue is not the part carrying its identity.

Text on this colour

White text

17.07:1 — passes AA

Black text

1.23:1 — fails AA

White text is the better of the two at17.07:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#1c1c1a

protanopia

#1c1c1a · ΔE00 0.0

deuteranopia

#1c1c1a · ΔE00 0.0

tritanopia

#1c1c1a · ΔE00 0.0

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSiyâh Black at ΔE00 1.148: 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.