Atlantis
#336172
A cyan that is nearly neutral — the hue shows only against a true grey. It is mid — the hardest range to put text on, either colour struggles.
Hex
#336172
RGB
51, 97, 114
OKLCh
46.7% 0.057 224.3°
CIELAB (D50)
38.4, -12.4, -14.8
What is true of this colour, and of no other
- 4 other named colours sit within ΔE00 2 of it.
- It uses 65% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 83.3; on black, Lc -18.7. 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 17.3 and 18.0 and 16.2 — no red cone.
Text on this colour
White text
6.79:1 — passes AA
Black text
3.09:1 — large text only
White text is the better of the two at6.79:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#336172
protanopia
#5d5d72 · ΔE00 17.3
deuteranopia
#575773 · ΔE00 18.0
tritanopia
#4e4eaf · ΔE00 16.2
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBermudan Blue at ΔE00 0.93: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Bermudan BlueΔE00 0.93 · #386171
- Flowing RiverΔE00 1.124 · #335e6f
- Deep Twilight BlueΔE00 1.589 · #375f71
- Denim BlueΔE00 1.754 · #2f6479
- San Gabriel BlueΔE00 2.046 · #2f6679
- BarbadosΔE00 2.295 · #3e6676
- Loon TurquoiseΔE00 2.453 · #2e6676
- BlumineΔE00 2.541 · #305c71
- Juniper Berry BlueΔE00 2.574 · #3f626e
- Holiday VelvetΔE00 2.59 · #206174
- Night ShiftΔE00 2.591 · #2a5c6a
- Byron PlaceΔE00 2.684 · #31667d
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.