Rich Matte Black
A muted, cool very dark blue.
#151521
rgb(21, 21, 33)
Color formats
HEX
#151521
RGB
rgb(21, 21, 33)
HSL
hsl(240, 22.2%, 10.6%)
HSV
hsv(240, 36.4%, 12.9%)
CMYK
cmyk(36.4%, 36.4%, 0%, 87.1%)
Color shades
Lighter tints and darker shades of Rich Matte Black.
Lightest
#65659D
Lighter
#3D3D5F
Base
#151521
Darker
#000000
Darkest
#000000
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Rich Matte Black works
Rich Matte Black (#151521) is a muted, 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 Rich Matte Black — or browse all blacks.
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