Pretty Twilight Night
#254770
A blue that is muted. It is dark — it carries white text and needs care with black.
Hex
#254770
RGB
37, 71, 112
OKLCh
39.3% 0.081 254.3°
CIELAB (D50)
29.2, -1.7, -27.9
What is true of this colour, and of no other
- 12 other named colours sit within ΔE00 2 of it — this part of the space is crowded, and the names here are finer distinctions than most people make.
- It uses 64% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 91.8; on black, Lc -10.6. 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 10.1 and 9.6 and 8.5 — no red cone.
Text on this colour
White text
9.49:1 — passes AA
Black text
2.21:1 — fails AA
White text is the better of the two at9.49:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#254770
protanopia
#444470 · ΔE00 10.1
deuteranopia
#3f3f70 · ΔE00 9.6
tritanopia
#393994 · ΔE00 8.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isFish Net Blue at ΔE00 1.208: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Fish Net BlueΔE00 1.208 · #1e446e
- Sapphire EarringsΔE00 1.34 · #284b75
- Enchanted NavyΔE00 1.473 · #2d4a71
- CommodoreΔE00 1.495 · #25476a
- Grape BlueΔE00 1.505 · #24486c
- Blue MosqueΔE00 1.637 · #21426b
- Mykonos ReflectionΔE00 1.684 · #284c75
- Theatre BlueΔE00 1.735 · #21467a
- AssaultΔE00 1.796 · #1c4374
- LucidityΔE00 1.826 · #1e4469
- Thunder NightΔE00 1.887 · #1a4876
- Blue TangΔE00 1.898 · #2a4b6e
12 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.