Queen of the Night Shift
#3d4585
A blue that is muted. It is mid — the hardest range to put text on, either colour struggles.
Hex
#3d4585
RGB
61, 69, 133
OKLCh
41.7% 0.106 275.5°
CIELAB (D50)
31.2, 11.8, -37.7
What is true of this colour, and of no other
- 2 other named colours sit within ΔE00 2 of it.
- It uses 41% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 89.9; on black, Lc -12.3. 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
8.79:1 — passes AA
Black text
2.39:1 — fails AA
White text is the better of the two at8.79:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#3d4585
protanopia
#444485 · ΔE00 2.1
deuteranopia
#434385 · ΔE00 2.0
tritanopia
#41418f · ΔE00 2.4
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBlue Estate at ΔE00 1.991: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Blue EstateΔE00 1.991 · #384883
- British MauveΔE00 1.991 · #35427b
- Spectrum BlueΔE00 2.035 · #44448d
- Little Blue HeronΔE00 2.291 · #3c4378
- Evening MagicΔE00 2.336 · #363e7d
- ExpressionismΔE00 2.498 · #39497b
- Merlin’s RobeΔE00 2.506 · #444c8f
- Jacksons PurpleΔE00 2.521 · #3d3f7d
- Clematis BlueΔE00 2.82 · #3c3d8a
- Indigo NightΔE00 2.879 · #324680
- Dive InΔE00 2.998 · #3c4d85
- Jazzy BlueΔE00 3.011 · #3a4c88
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.