ColourPilot

Crimson

Hex Code #DD3333

Color Analysis Summary

Color #DD3333, historically referred to as Crimson, is a beautifully balanced color tone. Mathematically, in the RGB (Red, Green, Blue) spectrum, this color is formulated by mixing 87% red, 20% green, and 20% blue. These digital components translate to exact numerical values of Red: 221, Green: 51, and Blue: 51. In terms of web formatting, this exact tone is declared in stylesheets using the hex code #DD3333. For designers working with cylindrical coordinates, its HSL values are mapped to a hue angle of 0°, a saturation of 71%, and a lightness index of 53%. In the HSV (Hue, Saturation, Value) model, it retains a brightness value of 87%. Because of its specific lightness, this tone offers distinct visual contrast properties. Incorporating #DD3333 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)221, 51, 51
HSL (Hue, Sat, Lightness)0°, 71%, 53%
HSV (Hue, Sat, Value)0°, 77%, 87%
CSS Valuergb(221, 51, 51)

WCAG 2.1 Contrast & Accessibility Check

On White Background4.57:1
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
On Black Background4.6:1
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 Crimson

Tints of Crimson