Deep Space Royal
#223382
A blue that is muted. It is dark — it carries white text and needs care with black.
Hex
#223382
RGB
34, 51, 130
OKLCh
35.9% 0.134 269.2°
CIELAB (D50)
23.9, 16.3, -47.6
What is true of this colour, and of no other
- 6 other named colours sit within ΔE00 2 of it.
- It uses 57% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 95.5; 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
11.27:1 — passes AA
Black text
1.86:1 — fails AA
White text is the better of the two at11.27:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#223382
protanopia
#313182 · ΔE00 3.3
deuteranopia
#2f2f82 · ΔE00 3.3
tritanopia
#2b2b8f · ΔE00 4.0
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isBavarian Blue at ΔE00 0.931: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Bavarian BlueΔE00 0.931 · #1c3382
- Migol BlueΔE00 0.958 · #283482
- Intergalactic HighwayΔE00 1.283 · #273287
- Ritterlich BlueΔE00 1.525 · #293286
- Surf the WebΔE00 1.682 · #20377f
- Twilight ExpressΔE00 1.721 · #1c3378
- Below the SurfaceΔE00 2.697 · #0a2f7c
- Navy SealΔE00 2.813 · #253a91
- Royal NightΔE00 2.856 · #2b3191
- Ultramarine HighlightΔE00 2.876 · #2e328f
- Dark Seashore NightΔE00 3.077 · #113691
- North Star BlueΔE00 3.103 · #223399
8 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.