#556F6C

#556F6C

Color Values

HEX

#556F6C

RGB

85, 111, 108

HSL

173.1, 13.3%, 38.4%

HSV

173.1, 23.4%, 43.5%

CMYK

23.4%, 0.0%, 2.7%, 56.5%

OKLCH

0.5201 0.0309 187.5

Properties

Cool Dark Nearest: RAL 7005 Mouse Grey

Color Harmonies

Complementary

#556F6C

#6F5558

Analogous

#556F5F

#55656F

#556F6C

Triadic

#556F6C

#6C556F

#6F6C55

Split Complementary

#556F6C

#6F5565

#6F5F55

Tetradic

#556F6C

#5F556F

#6F5558

#656F55

Color Blindness Simulation

Original

#556F6C

Protanopia

#60606D

Deuteranopia

#5F5D6D

Tritanopia

#566D6D

Achromatopsia

#696969

CSS Usage

background-color: #556F6C;
color: #556F6C;
border-color: #556F6C;
Nearest Tailwind: Neutral 500 #737373

Tailwind Shades

50
#F6F8F8
100
#EBEFEF
200
#D7E0DF
300
#BACAC8
400
#94ADAA
500
#6F908D
600
#587470
700
#475C5A
800
#374846
900
#2B3635
950
#1B2221

Contrast Checker

Text on white

5.42:1

AA Pass AAA Fail

Text on black

3.88:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026