#554F6B

#554F6B

Color Values

HEX

#554F6B

RGB

85, 79, 107

HSL

252.9, 15.1%, 36.5%

HSV

252.9, 26.2%, 42.0%

CMYK

20.6%, 26.2%, 0.0%, 58.0%

OKLCH

0.4446 0.0459 294.3

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#554F6B

#656B4F

Analogous

#4F576B

#634F6B

#554F6B

Triadic

#554F6B

#6B554F

#4F6B55

Split Complementary

#554F6B

#6B634F

#576B4F

Tetradic

#554F6B

#6B4F57

#656B4F

#4F6B63

Color Blindness Simulation

Original

#554F6B

Protanopia

#525264

Deuteranopia

#535363

Tritanopia

#555F5E

Achromatopsia

#525252

CSS Usage

background-color: #554F6B;
color: #554F6B;
border-color: #554F6B;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F7F6F8
100
#ECEBEF
200
#D8D6E1
300
#BDB9CB
400
#9992AF
500
#756C93
600
#5D5775
700
#4B455E
800
#3A3649
900
#2D2A37
950
#1C1A23

Contrast Checker

Text on white

7.73:1

AA Pass AAA Pass

Text on black

2.72:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026