Royal Blue
A vivid, cool medium blue.
#4169E1
rgb(65, 105, 225)
Color formats
HEX
#4169E1
RGB
rgb(65, 105, 225)
HSL
hsl(225, 72.7%, 56.9%)
HSV
hsv(225, 71.1%, 88.2%)
CMYK
cmyk(71.1%, 53.3%, 0%, 11.8%)
Color shades
Lighter tints and darker shades of Royal Blue.
Lightest
#F1F4FD
Lighter
#99AFEF
Base
#4169E1
Darker
#1A3CA3
Darkest
#0C1B4A
Complementary
The opposite hue on the color wheel.
Analogous
Neighbouring hues that harmonise.
Contrast & readability
Where Royal Blue works
Royal Blue (#4169E1) 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 Royal Blue — or browse all blues.
Color tools
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Complementary Color Finder
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