Nautical
#2e4a7d
A blue that is muted. It is mid — the hardest range to put text on, either colour struggles.
Hex
#2e4a7d
RGB
46, 74, 125
OKLCh
41.3% 0.092 261.5°
CIELAB (D50)
31.3, 2.5, -32.7
What is true of this colour, and of no other
- 7 other named colours sit within ΔE00 2 of it.
- It uses 50% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 89.9; on black, Lc -12.4. 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 7.7 and 7.3 and 7.1 — no red cone.
Text on this colour
White text
8.78:1 — passes AA
Black text
2.39:1 — fails AA
White text is the better of the two at8.78:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#2e4a7d
protanopia
#47477d · ΔE00 7.7
deuteranopia
#43437d · ΔE00 7.3
tritanopia
#3e3e9b · ΔE00 7.1
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isCoastal Surf at ΔE00 0.782: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Coastal SurfΔE00 0.782 · #2d4982
- Florida WatersΔE00 1.033 · #2a4983
- DragonflyΔE00 1.226 · #314a76
- High AltarΔE00 1.825 · #334f7b
- SailboatΔE00 1.858 · #314a72
- Blue HighlightΔE00 1.99 · #324a8b
- Fun BlueΔE00 1.997 · #335083
- AssassinΔE00 2.041 · #2d4f83
- Sodalite BlueΔE00 2.064 · #2c447b
- Pacific NavyΔE00 2.067 · #25488a
- Enchanted NavyΔE00 2.14 · #2d4a71
- TruthΔE00 2.21 · #344989
9 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.