Midnight Ocean
#0f2d4d
A blue that is nearly neutral — the hue shows only against a true grey. It is dark — it carries white text and needs care with black.
Hex
#0f2d4d
RGB
15, 45, 77
OKLCh
29.3% 0.069 252.5°
CIELAB (D50)
17.6, -1.4, -23.4
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 77% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 100.4; 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.
- protanopia and deuteranopia and tritanopia shift it by ΔE00 9.7 and 9.4 and 8.1 — no red cone.
Text on this colour
White text
13.97:1 — passes AA
Black text
1.50:1 — fails AA
White text is the better of the two at13.97:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#0f2d4d
protanopia
#2b2b4d · ΔE00 9.7
deuteranopia
#27274d · ΔE00 9.4
tritanopia
#222268 · ΔE00 8.1
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isRoyal Blue Metallic at ΔE00 0.934: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Royal Blue MetallicΔE00 0.934 · #082d4f
- Crow Black BlueΔE00 1.65 · #112f4b
- Dark Tyrian BlueΔE00 2.017 · #0d2b52
- Indigo BlackΔE00 2.075 · #002e51
- Incremental BlueΔE00 2.359 · #123456
- Ambassador BlueΔE00 2.492 · #0d2f5a
- Beyond the StarsΔE00 2.649 · #0a3251
- Elite BlueΔE00 2.685 · #1b3053
- Effervescent BlueΔE00 2.814 · #00315a
- MarineΔE00 3.349 · #042e60
- Rhapsody in BlueΔE00 3.504 · #002244
- Night DiveΔE00 3.507 · #003355
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.