Endless River
#567aad
A blue that is muted. It is mid — the hardest range to put text on, either colour struggles.
Hex
#567aad
RGB
86, 122, 173
OKLCh
57.4% 0.089 257.1°
CIELAB (D50)
50.2, -1.9, -31.6
What is true of this colour, and of no other
- 9 other named colours sit within ΔE00 2 of it.
- It uses 44% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 70.3; on black, Lc -31.3. 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.
- protanopia and deuteranopia and tritanopia shift it by ΔE00 10.4 and 9.7 and 8.3 — no red cone.
Text on this colour
White text
4.39:1 — large text only
Black text
4.78:1 — passes AA
Black text is the better of the two at4.78:1. That is enough for body text.
As text on white, it needs to change
#5478ab is the nearest colour of the same hue that passes AA on white, at 4.50:1. Only the lightness moved.
The same colour, with one cone missing
As you see it
#567aad
protanopia
#7777ad · ΔE00 10.4
deuteranopia
#7171ad · ΔE00 9.7
tritanopia
#6a6add · ΔE00 8.3
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isVinca at ΔE00 1.134: between 1 and 2 — a trained eye spots it when the two touch; nobody spots it across a room. What the numbers mean.
- VincaΔE00 1.134 · #5778a7
- Flax FlowerΔE00 1.174 · #5577aa
- Flying FishΔE00 1.505 · #5376ab
- Deck CrewΔE00 1.785 · #5e7cac
- Montreux BlueΔE00 1.83 · #5879a2
- Sage Blossom BlueΔE00 1.867 · #4e78a9
- Sapphire Shimmer BlueΔE00 1.881 · #5776af
- Blue YonderΔE00 1.924 · #5a77a8
- Cocktail BlueΔE00 1.986 · #5a7aa2
- Diva VioletΔE00 2.048 · #5077ba
- Blue FinΔE00 2.082 · #577fae
- Blue Android BaseΔE00 2.159 · #5a79ba
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.