Indigo

The color code of Indigo indicates, that blue is the main light source among the primary colors red, green and blue. Together with red it forms the basic color magenta, which determines the initial color impression in the same way as blue. Learn more …

But due to the amount of achromatic basic colors like black and white the colorfulness of Indigo is somewhat limited: The mixture ratio between chromatic and achromatic basic colors results in 46 % saturation. Since the inherent brightness of its contained basic colors sums up to a perceived brightness of 18 %, Indigo is a quite dark color.

Hex	`#551a90`
RGB	`rgb(85, 26, 144)`
HSL*	`hsl(270, 69%, 33%)`
Lab*	`25.81 48.92 -53.26`
CMYK*	`41% 82% 0% 44%`

* approximated values

Basic colors

44 %

551a90