Fly-by-Night
#1c1e4d
A blue that is muted. It is dark — it carries white text and needs care with black.
Hex
#1c1e4d
RGB
28, 30, 77
OKLCh
26.4% 0.085 277.0°
CIELAB (D50)
13.5, 11.9, -30.0
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 52% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 102.4; 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.
- All three dichromacies see it as very nearly the same colour you do: its hue is not the part carrying its identity.
Text on this colour
White text
15.65:1 — passes AA
Black text
1.34:1 — fails AA
White text is the better of the two at15.65:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#1c1e4d
protanopia
#1e1e4d · ΔE00 0.5
deuteranopia
#1d1d4d · ΔE00 0.5
tritanopia
#1d1d4f · ΔE00 0.8
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSpacescape at ΔE00 1.66: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- SpacescapeΔE00 1.66 · #222255
- Tetsu-Kon BlueΔE00 1.893 · #17184b
- AzuladoΔE00 2.171 · #211d49
- Konkikyō BlueΔE00 2.216 · #191f45
- Silent OrbitΔE00 2.488 · #231c4d
- Ceremonial PurpleΔE00 3.29 · #2a2756
- Cluedo NightΔE00 3.419 · #2b245a
- PāuaΔE00 3.435 · #2a2551
- Deep BreathΔE00 3.625 · #27275f
- Deadly DepthsΔE00 3.884 · #111144
- Black MarketΔE00 3.902 · #222244
- Dark SoulΔE00 3.963 · #112255
5 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.