Dark Blue
A vivid, cool dark blue.
#0000A3
rgb(0, 0, 163)
Color formats
HEX
#0000A3
RGB
rgb(0, 0, 163)
HSL
hsl(240, 100%, 32%)
HSV
hsv(240, 100%, 63.9%)
CMYK
cmyk(100%, 100%, 0%, 36.1%)
Color shades
Lighter tints and darker shades of Dark Blue.
Lightest
#7070FF
Lighter
#0A0AFF
Base
#0000A3
Darker
#00003D
Darkest
#000000
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Dark Blue works
Dark Blue (#0000A3) is a vivid, cool dark blue. 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 Dark Blue — or browse all blues.
Color tools
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Shade & Tint Generator
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Complementary Color Finder
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