#1D66CC

A medium, vivid blue closely aligning with Royalblue.

About #1D66CC

The hex code #1D66CC represents a beautifully specific shade of blue. It is closely associated with the named CSS color Royalblue. To achieve this exact tint on a monitor, you would use an RGB mix of 29, 102, and 204.

Translating this color to physical media requires the CMYK color model. Its ink density profile breaks down to 86% cyan, 50% magenta, 0% yellow, and 20% black. Always request a physical proof before doing a large print run with this exact code.

From a UX and accessibility standpoint, contrast is paramount. Mathematical luminance calculations suggest that #FFFFFF text provides the most optimal reading experience. Strict adherence to these ratios protects visually impaired users from unreadable interfaces.

Color Space Conversions

HEX#1D66CC
RGB29, 102, 204
HSL215.0°, 75.1%, 45.7%
CMYK86%, 50%, 0%, 20%
HSV215.0°, 85.8%, 80.0%
LAB44.4, 16.6, -58.9
XYZ16.2, 14.1, 59.0
Decimal1926860

Color Harmonies

Complementary

Analogous

Triadic

Tints, Shades & Tones

Tints (Adding White)

Shades (Adding Black)

WCAG Contrast Accessibility

5.49:1
Text on #FFFFFF
AA
3.82:1
Text on #000000
AA Large
5.25:1
Text on #F8FAFC
AA
3.25:1
Text on #0F172A
AA Large

CSS Implementation

.bg-color { background-color: #1D66CC; }
.text-color { color: #1D66CC; }
.border-color { border: 2px solid #1D66CC; }

Similar Colors

Royalblue
#4169E1