ColourPilot

Indigo

Hex Code #420363

Color Analysis Summary

Color #420363, historically referred to as Indigo, is a beautifully balanced color tone. Mathematically, in the RGB (Red, Green, Blue) spectrum, this color is formulated by mixing 26% red, 1% green, and 39% blue. These digital components translate to exact numerical values of Red: 66, Green: 3, and Blue: 99. In terms of web formatting, this exact tone is declared in stylesheets using the hex code #420363. For designers working with cylindrical coordinates, its HSL values are mapped to a hue angle of 279°, a saturation of 94%, and a lightness index of 20%. In the HSV (Hue, Saturation, Value) model, it retains a brightness value of 39%. Because of its specific lightness, this tone offers distinct visual contrast properties. Incorporating #420363 into your UI layout is highly recommended for building visual hierarchy, either as a primary brand marker or a subtle secondary accent. When paired with its programmatic complement or analogous siblings, it creates a highly professional and accessible color scheme.

Color Code Formats

RGB (Red, Green, Blue)66, 3, 99
HSL (Hue, Sat, Lightness)279°, 94%, 20%
HSV (Hue, Sat, Value)279°, 97%, 39%
CSS Valuergb(66, 3, 99)

WCAG 2.1 Contrast & Accessibility Check

On White Background14.74:1
AA Normal Text (4.5:1)PASS
AA Large Text (3.0:1)PASS
AAA Normal Text (7.0:1)PASS
AAA Large Text (4.5:1)PASS
On Black Background1.42:1
AA Normal Text (4.5:1)FAIL
AA Large Text (3.0:1)FAIL
AAA Normal Text (7.0:1)FAIL
AAA Large Text (4.5:1)FAIL

Color Harmonies

Complementary Harmony

Analogous Harmony

Triadic Harmony

Monochromatic Harmony

Shades of Indigo

Tints of Indigo