Rich Cobalt Blue
A vivid, cool dark blue.
#003A8C
rgb(0, 58, 140)
Color formats
HEX
#003A8C
RGB
rgb(0, 58, 140)
HSL
hsl(215.1, 100%, 27.5%)
HSV
hsv(215.1, 100%, 54.9%)
CMYK
cmyk(100%, 58.6%, 0%, 45.1%)
Color shades
Lighter tints and darker shades of Rich Cobalt Blue.
Lightest
#599EFF
Lighter
#0065F2
Base
#003A8C
Darker
#001026
Darkest
#000000
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Rich Cobalt Blue works
Rich Cobalt Blue (#003A8C) is a vivid, cool 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 Cobalt Blue — or browse all blues.
Color tools
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