Malibu
#66b7e1
A blue that is muted. It is light — black text sits on it comfortably, white text does not.
Hex
#66b7e1
RGB
102, 183, 225
OKLCh
74.4% 0.100 232.9°
CIELAB (D50)
70.5, -16.9, -29.2
What is true of this colour, and of no other
- 9 other named colours sit within ΔE00 2 of it.
- It uses 65% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 43.7; on black, Lc -58.4. 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 20.2 and 19.4 and 18.5 — no red cone.
Text on this colour
White text
2.23:1 — fails AA
Black text
9.43:1 — passes AA
Black text is the better of the two at9.43:1. That is enough for body text.
As text on white, it needs to change
#297fa6 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
#66b7e1
protanopia
#b0b0e1 · ΔE00 20.2
deuteranopia
#a5a5e2 · ΔE00 19.4
tritanopia
#9696ff · ΔE00 18.5
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isSea Frolic at ΔE00 0.559: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Sea FrolicΔE00 0.559 · #64b6e2
- Life ForceΔE00 1.115 · #6fb7e0
- Milky WavesΔE00 1.368 · #6bb3db
- Norfolk SkyΔE00 1.396 · #6cbae7
- Xavier BlueΔE00 1.408 · #6ab4e0
- SkyscapeΔE00 1.644 · #6cb3d8
- Tranquil BayΔE00 1.694 · #74b8de
- Riviera BlueΔE00 1.782 · #65b4d8
- Sail AwayΔE00 1.949 · #55b4de
- TributeΔE00 2.185 · #74b8da
- Costa Rica BlueΔE00 2.235 · #77bce2
- Pacific HarbourΔE00 2.413 · #77b9db
11 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.