ColourPilot

Steel Blue

Hex Code #407DB2

Color Analysis Summary

Color #407DB2, 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 25% red, 49% green, and 70% blue. These digital components translate to exact numerical values of Red: 64, Green: 125, and Blue: 178. In terms of web formatting, this exact tone is declared in stylesheets using the hex code #407DB2. For designers working with cylindrical coordinates, its HSL values are mapped to a hue angle of 208°, a saturation of 47%, and a lightness index of 47%. In the HSV (Hue, Saturation, Value) model, it retains a brightness value of 70%. Because of its specific lightness, this tone offers distinct visual contrast properties. Incorporating #407DB2 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)64, 125, 178
HSL (Hue, Sat, Lightness)208°, 47%, 47%
HSV (Hue, Sat, Value)208°, 64%, 70%
CSS Valuergb(64, 125, 178)

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