ColourPilot

Steel Blue

Hex Code #378FCD

Color Analysis Summary

Color #378FCD, historically referred to as Steel Blue, is a beautifully balanced color tone. Mathematically, in the RGB (Red, Green, Blue) spectrum, this color is formulated by mixing 22% red, 56% green, and 80% blue. These digital components translate to exact numerical values of Red: 55, Green: 143, and Blue: 205. In terms of web formatting, this exact tone is declared in stylesheets using the hex code #378FCD. For designers working with cylindrical coordinates, its HSL values are mapped to a hue angle of 205°, a saturation of 60%, and a lightness index of 51%. In the HSV (Hue, Saturation, Value) model, it retains a brightness value of 80%. Because of its specific lightness, this tone offers distinct visual contrast properties. Incorporating #378FCD 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)55, 143, 205
HSL (Hue, Sat, Lightness)205°, 60%, 51%
HSV (Hue, Sat, Value)205°, 73%, 80%
CSS Valuergb(55, 143, 205)

WCAG 2.1 Contrast & Accessibility Check

On White Background3.52:1
AA Normal Text (4.5:1)FAIL
AA Large Text (3.0:1)PASS
AAA Normal Text (7.0:1)FAIL
AAA Large Text (4.5:1)FAIL
On Black Background5.97:1
AA Normal Text (4.5:1)PASS
AA Large Text (3.0:1)PASS
AAA Normal Text (7.0:1)FAIL
AAA Large Text (4.5:1)PASS

Color Harmonies

Complementary Harmony

Analogous Harmony

Triadic Harmony

Monochromatic Harmony

Shades of Steel Blue

Tints of Steel Blue