Naval Blue
#384b6b
A blue 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
#384b6b
RGB
56, 75, 107
OKLCh
41.1% 0.059 260.5°
CIELAB (D50)
31.4, -0.4, -21.2
What is true of this colour, and of no other
- 9 other named colours sit within ΔE00 2 of it.
- It uses only 34% 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 90.1; on black, Lc -12.2. 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 7.5 and 6.5 — no red cone.
Text on this colour
White text
8.80:1 — passes AA
Black text
2.39:1 — fails AA
White text is the better of the two at8.80:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#384b6b
protanopia
#49496b · ΔE00 7.7
deuteranopia
#46466b · ΔE00 7.5
tritanopia
#424286 · ΔE00 6.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isEnsign Blue at ΔE00 1.379: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Ensign BlueΔE00 1.379 · #3c4f6e
- Garnet Stone BlueΔE00 1.384 · #384866
- AirforceΔE00 1.403 · #364d70
- Mountain BlueberryΔE00 1.566 · #3c4b6c
- Jazz Age BluesΔE00 1.697 · #3b4a6c
- Blue FlagΔE00 1.825 · #3b506f
- Midnight InterludeΔE00 1.838 · #32496f
- Bonne NuitΔE00 1.932 · #3a4866
- Hydrogen BlueΔE00 1.993 · #33476d
- Deep RoyalΔE00 2.016 · #364c68
- Sargasso SeaΔE00 2.142 · #3d4a67
- BusterΔE00 2.143 · #3e4b69
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.