#555B5F

#555B5F

Color Values

HEX

#555B5F

RGB

85, 91, 95

HSL

204.0, 5.6%, 35.3%

HSV

204.0, 10.5%, 37.3%

CMYK

10.5%, 4.2%, 0.0%, 62.7%

OKLCH

0.4673 0.01 236.7

Properties

Cool Dark Nearest: RAL 7043 Traffic Grey B

Color Harmonies

Complementary

#555B5F

#5F5955

Analogous

#555F5E

#55565F

#555B5F

Triadic

#555B5F

#5F555B

#5B5F55

Split Complementary

#555B5F

#5F5556

#5F5E55

Tetradic

#555B5F

#5E555F

#5F5955

#565F55

Color Blindness Simulation

Original

#555B5F

Protanopia

#58585E

Deuteranopia

#57575E

Tritanopia

#555D5D

Achromatopsia

#5A5A5A

CSS Usage

background-color: #555B5F;
color: #555B5F;
border-color: #555B5F;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F7F8
100
#ECEDEE
200
#D9DCDD
300
#BEC2C5
400
#9BA2A6
500
#788187
600
#60676C
700
#4D5356
800
#3C4043
900
#2E3133
950
#1D1F20

Contrast Checker

Text on white

6.89:1

AA Pass AAA Fail

Text on black

3.05:1

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