Midnight Escapade
#2b3458
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
#2b3458
RGB
43, 52, 88
OKLCh
33.5% 0.065 271.9°
CIELAB (D50)
22.3, 4.8, -23.3
What is true of this colour, and of no other
- 3 other named colours sit within ΔE00 2 of it.
- It uses only 30% of the chroma available at this lightness and hue — there is a far more vivid version of this colour inside sRGB.
- As text on white it measures APCA Lc 97.6; 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.
- 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
12.10:1 — passes AA
Black text
1.73:1 — fails AA
White text is the better of the two at12.10:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#2b3458
protanopia
#333358 · ΔE00 3.3
deuteranopia
#323258 · ΔE00 3.3
tritanopia
#303064 · ΔE00 3.9
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isQuill Tip at ΔE00 1.161: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- Quill TipΔE00 1.161 · #2d3359
- Mediaeval BlueΔE00 1.716 · #2e3858
- BoatswainΔE00 1.874 · #243256
- Very BlueΔE00 2.383 · #33365b
- WahooΔE00 2.587 · #272d4e
- Blue LobeliaΔE00 2.63 · #28314d
- Lucky PointΔE00 2.881 · #292d4f
- Blue DepthsΔE00 2.929 · #2c3a64
- GalaxeaΔE00 3.003 · #2e305e
- Tropical Night BlueΔE00 3.204 · #2a2e4c
- Bay of ManyΔE00 3.299 · #353e64
- Underwater RealmΔE00 3.401 · #243062
10 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.