Galaxy Blue
#2d5284
A blue that is muted. It is mid — the hardest range to put text on, either colour struggles.
Hex
#2d5284
RGB
45, 82, 132
OKLCh
43.6% 0.093 256.5°
CIELAB (D50)
34.0, -0.5, -32.6
What is true of this colour, and of no other
- 22 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 62% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 87.3; on black, Lc -14.9. 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 9.9 and 9.4 and 8.8 — no red cone.
Text on this colour
White text
7.92:1 — passes AA
Black text
2.65:1 — fails AA
White text is the better of the two at7.92:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#2d5284
protanopia
#4f4f84 · ΔE00 9.9
deuteranopia
#494984 · ΔE00 9.4
tritanopia
#4343ab · ΔE00 8.8
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBoat Blue at ΔE00 0.419: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Boat BlueΔE00 0.419 · #2d5384
- Flashy SapphireΔE00 0.812 · #2c538a
- St. TropezΔE00 0.966 · #325482
- Blue NudeΔE00 1.146 · #29518c
- AssassinΔE00 1.178 · #2d4f83
- SlumberΔE00 1.253 · #2d517c
- Glimpse of VoidΔE00 1.294 · #335588
- Regal DestinyΔE00 1.408 · #2e508a
- Blue QuartzΔE00 1.442 · #335287
- Royal ConsortΔE00 1.482 · #2e5686
- Vegeta BlueΔE00 1.483 · #26538d
- Mordian BlueΔE00 1.529 · #2f5684
9 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.