Cobalt Blue

Color Analysis Summary

Color #04389F, 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 2% red, 22% green, and 62% blue. These digital components translate to exact numerical values of Red: 4, Green: 56, and Blue: 159. In terms of web formatting, this exact tone is declared in stylesheets using the hex code #04389F. For designers working with cylindrical coordinates, its HSL values are mapped to a hue angle of 220°, a saturation of 95%, and a lightness index of 32%. In the HSV (Hue, Saturation, Value) model, it retains a brightness value of 62%. Because of its specific lightness, this tone offers distinct visual contrast properties. Incorporating #04389F 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.