Pure Cool Black
A moderately saturated, cool very dark blue.
#0A2137
rgb(10, 33, 55)
Color formats
HEX
#0A2137
RGB
rgb(10, 33, 55)
HSL
hsl(209.3, 69.2%, 12.7%)
HSV
hsv(209.3, 81.8%, 21.6%)
CMYK
cmyk(81.8%, 40%, 0%, 78.4%)
Color shades
Lighter tints and darker shades of Pure Cool Black.
Lightest
#3388DA
Lighter
#1A558D
Base
#0A2137
Darker
#000000
Darkest
#000000
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Pure Cool Black works
Pure Cool Black (#0A2137) is a moderately saturated, cool very dark blue. As a deep tone it works well for text, headers and high-contrast backgrounds where you want weight and focus. Its cool undertone lends a calm, trustworthy feel that suits clean, professional interfaces.
Observe the spectrum
More colors related to Pure Cool Black — or browse all blacks.
Color tools
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