ColourPilot

Cobalt Blue

Hex Code #0155A0

Color Analysis Summary

Color #0155A0, historically referred to as Cobalt Blue, is a beautifully balanced color tone. Mathematically, in the RGB (Red, Green, Blue) spectrum, this color is formulated by mixing 0% red, 33% green, and 63% blue. These digital components translate to exact numerical values of Red: 1, Green: 85, and Blue: 160. In terms of web formatting, this exact tone is declared in stylesheets using the hex code #0155A0. For designers working with cylindrical coordinates, its HSL values are mapped to a hue angle of 208°, a saturation of 99%, and a lightness index of 32%. In the HSV (Hue, Saturation, Value) model, it retains a brightness value of 63%. Because of its specific lightness, this tone offers distinct visual contrast properties. Incorporating #0155A0 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)1, 85, 160
HSL (Hue, Sat, Lightness)208°, 99%, 32%
HSV (Hue, Sat, Value)208°, 99%, 63%
CSS Valuergb(1, 85, 160)

WCAG 2.1 Contrast & Accessibility Check

On White Background7.48:1
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 Background2.81:1
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 Cobalt Blue

Tints of Cobalt Blue