Milky Waves
#6bb3db
A blue that is muted. It is light — black text sits on it comfortably, white text does not.
Hex
#6bb3db
RGB
107, 179, 219
OKLCh
73.5% 0.093 234.3°
CIELAB (D50)
69.4, -15.1, -27.7
What is true of this colour, and of no other
- 7 other named colours sit within ΔE00 2 of it.
- It uses 60% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 45.4; on black, Lc -56.7. 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 19.2 and 18.3 and 16.9 — no red cone.
Text on this colour
White text
2.31:1 — fails AA
Black text
9.10:1 — passes AA
Black text is the better of the two at9.10:1. That is enough for body text.
As text on white, it needs to change
#357ea4 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
#6bb3db
protanopia
#adaddb · ΔE00 19.2
deuteranopia
#a2a2dc · ΔE00 18.3
tritanopia
#9595ff · ΔE00 16.9
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSkyscape at ΔE00 0.782: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- SkyscapeΔE00 0.782 · #6cb3d8
- Xavier BlueΔE00 0.998 · #6ab4e0
- Life ForceΔE00 1.169 · #6fb7e0
- Sea FrolicΔE00 1.362 · #64b6e2
- MalibuΔE00 1.368 · #66b7e1
- Tranquil BayΔE00 1.616 · #74b8de
- Riviera BlueΔE00 1.767 · #65b4d8
- TributeΔE00 2.116 · #74b8da
- Norfolk SkyΔE00 2.175 · #6cbae7
- Imrik BlueΔE00 2.222 · #67aed0
- Meadow Blossom BlueΔE00 2.314 · #7ab2d4
- Sanctuary SpaΔE00 2.347 · #66b2e4
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.