Cool Blue
A vivid, cool medium blue.
#003CFF
rgb(0, 60, 255)
Color formats
HEX
#003CFF
RGB
rgb(0, 60, 255)
HSL
hsl(225.9, 100%, 50%)
HSV
hsv(225.9, 100%, 100%)
CMYK
cmyk(100%, 76.5%, 0%, 0%)
Color shades
Lighter tints and darker shades of Cool Blue.
Lightest
#CCD8FF
Lighter
#668AFF
Base
#003CFF
Darker
#002499
Darkest
#000C33
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Cool Blue works
Cool Blue (#003CFF) is a vivid, cool medium 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 Cool 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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