#556D7C

#556D7C

Color Values

HEX

#556D7C

RGB

85, 109, 124

HSL

203.1, 18.7%, 41.0%

HSV

203.1, 31.5%, 48.6%

CMYK

31.5%, 12.1%, 0.0%, 51.4%

OKLCH

0.5212 0.037 235.9

Properties

Cool Dark Nearest: lightskyblue 4

Color Harmonies

Complementary

#556D7C

#7C6455

Analogous

#557C78

#55597C

#556D7C

Triadic

#556D7C

#7C556D

#6D7C55

Split Complementary

#556D7C

#7C5559

#7C7855

Tetradic

#556D7C

#78557C

#7C6455

#597C55

Color Blindness Simulation

Original

#556D7C

Protanopia

#5F6078

Deuteranopia

#5E5C78

Tritanopia

#567675

Achromatopsia

#696969

CSS Usage

background-color: #556D7C;
color: #556D7C;
border-color: #556D7C;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F8F9
100
#EAEEF0
200
#D5DDE2
300
#B6C4CD
400
#8FA5B2
500
#688597
600
#536A79
700
#425561
800
#34424C
900
#283239
950
#192024

Contrast Checker

Text on white

5.43:1

AA Pass AAA Fail

Text on black

3.86:1

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