Into the Night
#1e3642
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
#1e3642
RGB
30, 54, 66
OKLCh
31.9% 0.037 231.2°
CIELAB (D50)
21.1, -6.7, -10.6
What is true of this colour, and of no other
- 5 other named colours sit within ΔE00 2 of it.
- It uses 57% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 98.6; 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 11.7 and 12.6 and 14.3 — no red cone.
Text on this colour
White text
12.64:1 — passes AA
Black text
1.66:1 — fails AA
White text is the better of the two at12.64:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#1e3642
protanopia
#343442 · ΔE00 11.7
deuteranopia
#303042 · ΔE00 12.6
tritanopia
#2c2c64 · ΔE00 14.3
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isAstral Nomad at ΔE00 1.573: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Astral NomadΔE00 1.573 · #203943
- Blue WhaleΔE00 1.613 · #1e3442
- Petrol SlumberΔE00 1.828 · #243640
- Elderberry BlackΔE00 1.918 · #1e323b
- TaraweraΔE00 1.967 · #253c48
- Cool CurrentΔE00 2.863 · #283c44
- Bakos BlueΔE00 2.872 · #273f4b
- Subterranean RiverΔE00 3.031 · #1f3b4d
- Depths of the NileΔE00 3.105 · #253f4e
- TangaroaΔE00 3.373 · #1e2f3c
- Ore Bluish BlackΔE00 3.376 · #1c3339
- Tahitian PearlΔE00 3.456 · #263644
8 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.