#666D99

A medium, muted blue closely aligning with Steelblue.

About #666D99

The hex code #666D99 represents a beautifully specific shade of blue. Designers often compare it to the standard color Steelblue. To achieve this exact tint on a monitor, you would use an RGB mix of 102, 109, and 153.

Translating this color to physical media requires the CMYK color model. Its ink density profile breaks down to 33% cyan, 29% magenta, 0% yellow, and 40% black. Always request a physical proof before doing a large print run with this exact code.

Ensuring your text is legible against this background is a key part of web design. The calculated luminance score dictates that #FFFFFF typography is the safest choice. You can view the detailed AAA and AA pass/fail metrics in the table below.

Color Space Conversions

HEX#666D99
RGB102, 109, 153
HSL231.8°, 20.0%, 50.0%
CMYK33%, 29%, 0%, 40%
HSV231.8°, 33.3%, 60.0%
LAB47.1, 8.2, -24.7
XYZ16.7, 16.1, 32.4
Decimal6712729

Color Harmonies

Complementary

Analogous

Triadic

Tints, Shades & Tones

Tints (Adding White)

Shades (Adding Black)

WCAG Contrast Accessibility

4.99:1
Text on #FFFFFF
AA
4.21:1
Text on #000000
AA Large
4.76:1
Text on #F8FAFC
AA
3.58:1
Text on #0F172A
AA Large

CSS Implementation

.bg-color { background-color: #666D99; }
.text-color { color: #666D99; }
.border-color { border: 2px solid #666D99; }

Similar Colors

Steelblue
#4682B4