#556B7F

#556B7F

Color Values

HEX

#556B7F

RGB

85, 107, 127

HSL

208.6, 19.8%, 41.6%

HSV

208.6, 33.1%, 49.8%

CMYK

33.1%, 15.7%, 0.0%, 50.2%

OKLCH

0.5177 0.0412 246.1

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#556B7F

#7F6955

Analogous

#557F7E

#55567F

#556B7F

Triadic

#556B7F

#7F556B

#6B7F55

Split Complementary

#556B7F

#7F5556

#7F7E55

Tetradic

#556B7F

#7E557F

#7F6955

#567F55

Color Blindness Simulation

Original

#556B7F

Protanopia

#5F5F7A

Deuteranopia

#5D5C79

Tritanopia

#567676

Achromatopsia

#686868

CSS Usage

background-color: #556B7F;
color: #556B7F;
border-color: #556B7F;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF0
200
#D4DCE2
300
#B6C2CE
400
#8EA2B3
500
#668199
600
#52677A
700
#415262
800
#33404C
900
#283139
950
#191F24

Contrast Checker

Text on white

5.53:1

AA Pass AAA Fail

Text on black

3.8:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026