Blue Triumph
#4376ab
A blue that is muted. It is mid — the hardest range to put text on, either colour struggles.
Hex
#4376ab
RGB
67, 118, 171
OKLCh
55.4% 0.100 250.9°
CIELAB (D50)
47.9, -5.0, -34.0
What is true of this colour, and of no other
- 13 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 72.8; on black, Lc -28.9. 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 13.3 and 12.5 and 11.3 — no red cone.
Text on this colour
White text
4.75:1 — passes AA
Black text
4.42:1 — large text only
White text is the better of the two at4.75:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#4376ab
protanopia
#7272ab · ΔE00 13.3
deuteranopia
#6a6aac · ΔE00 12.5
tritanopia
#6161e5 · ΔE00 11.3
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isField Blue at ΔE00 0.491: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Field BlueΔE00 0.491 · #4477aa
- Viennese BlueΔE00 0.868 · #4278af
- Sail OnΔE00 0.906 · #4575ad
- Co PilotΔE00 1.109 · #4978a9
- SleepΔE00 1.171 · #4579ac
- PetrelΔE00 1.262 · #4076b4
- AthensΔE00 1.277 · #3f74b1
- Flat BlueΔE00 1.437 · #3c73a8
- Billycart BlueΔE00 1.677 · #4c77a4
- Decoration BlueΔE00 1.705 · #3f74a3
- North Atlantic BreezeΔE00 1.821 · #3676b5
- Sage Blossom BlueΔE00 1.874 · #4e78a9
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.