Blue
#0000FF
Color Codes
HEX
#0000FFRGB
rgb(0, 0, 255)HSL
hsl(240, 100%, 50%)HSB
hsb(240, 100%, 100%)CMYK
cmyk(100%, 100%, 0%, 0%)HWB
hwb(240, 0%, 0%)Tailwind
~blue-700Accessibility
On White Background8.59:1
Sample Text
AAAA LargeAAA
On Black Background2.44:1
Sample Text
Fail
Tints & Shades
#E5E5FF
#BABAFF
#8F8FFF
#6363FF
#3838FF
#0D0DFF
#0000E0
#0000B5
#00008A
#00005E
#000033
Color Harmonies
Complementary
#0000FF + #ffff00
Analogous
#0080ff + #0000FF + #8000ff
Triadic
#0000FF + #ff0000 + #00ff00
Related Blue Colors
About Blue
Blue is a blue color with the hex code #0000FF. In the RGB color model, it contains 0 red, 0 green, and 255 blue. Its HSL representation is 240° hue, 100% saturation, and 50% lightness.
For print design using CMYK, Blue translates to 100% cyan, 100% magenta, 0% yellow, and 0% key (black). The nearest Tailwind CSS class is approximately blue-700.