#424257

A dark, muted blue closely aligning with Darkslategray.

About #424257

The precise color #424257 is an excellent choice for modern design projects. Designers often compare it to the standard color Darkslategray. In the RGB color space, it consists of 66 red, 66 green, and 87 blue.

When sending designs containing this color to a printer, the CMYK values come into play. The color uses 24% Cyan, 24% Magenta, 0% Yellow, and 66% Black. Always request a physical proof before doing a large print run with this exact code.

When using this color as a background, text legibility must be considered. 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#424257
RGB66, 66, 87
HSL240.0°, 13.7%, 30.0%
CMYK24%, 24%, 0%, 66%
HSV240.0°, 24.1%, 34.1%
LAB28.8, 5.2, -12.5
XYZ5.9, 5.7, 9.8
Decimal4342359

Color Harmonies

Complementary

Analogous

Triadic

Tints, Shades & Tones

Tints (Adding White)

Shades (Adding Black)

WCAG Contrast Accessibility

9.77:1
Text on #FFFFFF
AAA
2.15:1
Text on #000000
FAIL
9.34:1
Text on #F8FAFC
AAA
1.83:1
Text on #0F172A
FAIL

CSS Implementation

.bg-color { background-color: #424257; }
.text-color { color: #424257; }
.border-color { border: 2px solid #424257; }

Similar Colors

Darkslategray
#2F4F4F