ColourPilot

Steel Blue

Hex Code #577AAD

Color Analysis Summary

Color #577AAD, 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 34% red, 48% green, and 68% blue. These digital components translate to exact numerical values of Red: 87, Green: 122, and Blue: 173. In terms of web formatting, this exact tone is declared in stylesheets using the hex code #577AAD. For designers working with cylindrical coordinates, its HSL values are mapped to a hue angle of 216°, a saturation of 34%, and a lightness index of 51%. In the HSV (Hue, Saturation, Value) model, it retains a brightness value of 68%. Because of its specific lightness, this tone offers distinct visual contrast properties. Incorporating #577AAD 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)87, 122, 173
HSL (Hue, Sat, Lightness)216°, 34%, 51%
HSV (Hue, Sat, Value)216°, 50%, 68%
CSS Valuergb(87, 122, 173)

WCAG 2.1 Contrast & Accessibility Check

On White Background4.38:1
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 Background4.79:1
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