Blue colour

RGB hex code
#0000FF
RGB (255)
0, 0, 255
RGB
0.000, 0.000, 1.000
RGB %
0%, 0%, 100%
CIELAB
L: 32.30, A: 79.19, B: −107.86

Colour components

The RGB colour model is an additive model in which the red, green, and blue primary colors of light are added together to reproduce a broad spectrum of colours. In the case of , using 8-bit 0–255 values for each channel, it is red 0, green 0, blue 255.

The CIELAB color space expresses color as three values: L* for perceptual lightness, and a* and b* for the colours of human vision: red-green, blue-yellow.