Total Eclipse
#303543
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
#303543
RGB
48, 53, 67
OKLCh
33.0% 0.026 269.6°
CIELAB (D50)
22.1, 0.6, -9.5
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses only 12% 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 97.9; 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 6.5 — no blue cone.
Text on this colour
White text
12.24:1 — passes AA
Black text
1.72:1 — fails AA
White text is the better of the two at12.24:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#303543
protanopia
#343443 · ΔE00 3.0
deuteranopia
#343443 · ΔE00 3.2
tritanopia
#33334d · ΔE00 6.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isPacific Line at ΔE00 1.504: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Pacific LineΔE00 1.504 · #2d3544
- Diamond BlackΔE00 1.604 · #2b303e
- SupernaturalΔE00 1.614 · #313641
- SaluteΔE00 1.81 · #2f323d
- Blue CoalΔE00 1.908 · #2b3040
- Prestige BlueΔE00 2.328 · #303742
- Parisian NightΔE00 2.394 · #323341
- Mountain FigΔE00 2.413 · #383c49
- Anchors AweighΔE00 2.461 · #2b3441
- North Sea BlueΔE00 2.601 · #343c4c
- Royal BattleΔE00 2.848 · #2f3844
- Sceptre BlueΔE00 2.892 · #353542
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.