Cool Blue Gray
A moderately saturated, cool light teal.
#66B1CC
rgb(102, 177, 204)
Color formats
HEX
#66B1CC
RGB
rgb(102, 177, 204)
HSL
hsl(195.9, 50%, 60%)
HSV
hsv(195.9, 50%, 80%)
CMYK
cmyk(50%, 13.2%, 0%, 20%)
Color shades
Lighter tints and darker shades of Cool Blue Gray.
Lightest
#FFFFFF
Lighter
#B3D8E6
Base
#66B1CC
Darker
#337E99
Darkest
#1A3F4D
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Cool Blue Gray works
Cool Blue Gray (#66B1CC) is a moderately saturated, cool light teal. Its mid-range lightness makes it a flexible choice for buttons, fills and accents that need to read clearly without overpowering a layout. Its cool undertone lends a calm, trustworthy feel that suits clean, professional interfaces.
Observe the spectrum
More colors related to Cool Blue Gray — or browse all grays.
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