#0000FF
Blue
Blue is #0000FF. In CSS you can write it as the keyword blue. The values below are the same sRGB color in HEX, RGB, HSL, HSV, a simple CMYK conversion, and OKLCH. CMYK here is a channel formula for reference, not a press proof.
Conversions
- HEX
- #0000FF
- RGB
- rgb(0, 0, 255)
- HSL
- hsl(240,100%,50%)
- HSV
- hsv(240, 100%, 100%)
- CMYK
- cmyk(100,100,0,0)
- OKLCH
- oklch(45.2% 0.313 264.1)
Tints and shades
Tints mix this color toward white. Shades mix it toward black in sRGB. For a 50–950 ramp, open the tint and shade generator.
Tints
#3333FF
20% white
#6666FF
40% white
#9999FF
60% white
#CCCCFF
80% white
Shades
#0000CC
20% black
#000099
40% black
#000066
60% black
#000033
80% black
Harmony palettes
These schemes rotate hue from Blue. Read the relationships in color theory 101 or adjust them on the color wheel.
Complementary
Open in palette generatorAnalogous
Open in palette generatorTriadic
Open in palette generatorSplit Complementary
Open in palette generatorMonochromatic
Open in palette generatorTetradic
Open in palette generatorContrast against white and black
Ratios use the WCAG relative-luminance formula. AA normal text needs 4.5:1 and large text needs 3:1 under Success Criterion 1.4.3. AAA uses 7:1 and 4.5:1. A pass here is only this pair, not a full page audit. Check other pairings in the contrast checker.
Similar named colors
Nearest CSS named colors by RGB distance. Distance is not a perceptual match.