#0000FFBlue
Blue (#0000FF) is a mid-tone, vivid blue with a cool character. White text reads best on it (contrast 8.5:1).
Colour codes
| HEX | #0000FF | |
|---|---|---|
| RGB | rgb(0 0 255) | |
| HSL | hsl(240 100% 50%) | |
| HSB | 240, 100%, 100% | |
| CMYK | 100%, 100%, 0%, 0% | |
| Lab | lab(29.56 68.29 -112.01) | |
| LCH | lch(29.56 131.19 301.4) | |
| OKLCH | oklch(45.2% 0.3132 264.1) |
Like every screen colour, this is a mix of red, green and blue light with no single wavelength. See the colours of single wavelengths.
Shades, tints, tones and hues
Shades
Tints
Tones
Hues
Shades mix towards black, tints towards white and tones towards a grey of the same lightness (in OKLab); hues turn around the wheel in 15° steps. Hover a step to see its code, click to copy.
Colour harmonies
Colour blindness preview
- Deuteranopia
#003DFB - Protanopia
#0059FF - Tritanopia
#006B96 - Greyscale
#4C4C4C
Approximate simulation. Individual colour perception and displays vary. Check it with other colours.
Contrast
AaWhite text on Blue8.59:1 · AA ✓ · AA large ✓ · AAA ✓
AaDark text on Blue1.82:1 · AA ✕ · AA large ✕ · AAA ✕
AaBlue on white8.59:1 · AA ✓ · AA large ✓ · AAA ✓
AaBlue on black2.19:1 · AA ✕ · AA large ✕ · AAA ✕
Similar colours
All colour names · See it on the colour map · Name from color-name-list (MIT licence). A digital colour: paint and print look different; use similar paint colours before buying paint.