Jet Black

#353337

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

#353337

RGB

53, 51, 55

OKLCh

32.5% 0.007 308.2°

CIELAB (D50)

21.6, 1.6, -2.2

What is true of this colour, and of no other

  • 6 other named colours sit within ΔE00 2 of it.
  • It uses only 5% 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 98.4; 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.
  • tritanopia shifts it by ΔE00 5.0 — no blue cone.

Text on this colour

White text

12.50:1 — passes AA

Black text

1.68:1 — fails AA

White text is the better of the two at12.50:1. That is enough for body text.

The same colour, with one cone missing

As you see it

#353337

protanopia

#333337 · ΔE00 1.4

deuteranopia

#343437 · ΔE00 1.4

tritanopia

#343431 · ΔE00 5.0

Run a whole palette through all three

The twelve nearest named colours

Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBlack Tortoise at ΔE00 0.893: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.

  • Black TortoiseΔE00 0.893 · #353235
  • Avocado PeelΔE00 1.292 · #39373b
  • StilettoΔE00 1.602 · #323235
  • Shiny RubberΔE00 1.794 · #3a363b
  • Sayward PineΔE00 1.898 · #383739
  • Deep Forest BrownΔE00 1.989 · #393437
  • Bohemian BlackΔE00 2.008 · #3b373c
  • Dark Kettle BlackΔE00 2.009 · #333438
  • Moonless NightΔE00 2.104 · #3c393d
  • Dark OnyxΔE00 2.207 · #2e2d30
  • Smiler’s MistΔE00 2.213 · #313138
  • Granite BlackΔE00 2.233 · #313238

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