#556D87

#556D87

Color Values

HEX

#556D87

RGB

85, 109, 135

HSL

211.2, 22.7%, 43.1%

HSV

211.2, 37.0%, 52.9%

CMYK

37.0%, 19.3%, 0.0%, 47.1%

OKLCH

0.5258 0.0501 250.8

Properties

Cool Dark Nearest: skyblue 4

Color Harmonies

Complementary

#556D87

#876F55

Analogous

#558687

#565587

#556D87

Triadic

#556D87

#87556D

#6D8755

Split Complementary

#556D87

#875655

#868755

Tetradic

#556D87

#875586

#876F55

#558756

Color Blindness Simulation

Original

#556D87

Protanopia

#5F6081

Deuteranopia

#5E5C7F

Tritanopia

#567C7B

Achromatopsia

#6A6A6A

CSS Usage

background-color: #556D87;
color: #556D87;
border-color: #556D87;
Nearest Tailwind: Slate 500 #64748B

Tailwind Shades

50
#F6F7F9
100
#EAEDF1
200
#D3DBE3
300
#B4C1D0
400
#8BA0B6
500
#637E9C
600
#4F657D
700
#3F5164
800
#313F4E
900
#27303A
950
#181E25

Contrast Checker

Text on white

5.35:1

AA Pass AAA Fail

Text on black

3.92:1

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