#3B4255

#3B4255

Color Values

HEX

#3B4255

RGB

59, 66, 85

HSL

223.8, 18.1%, 28.2%

HSV

223.8, 30.6%, 33.3%

CMYK

30.6%, 22.4%, 0.0%, 66.7%

OKLCH

0.3806 0.0339 269.0

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3B4255

#554E3B

Analogous

#3B4F55

#413B55

#3B4255

Triadic

#3B4255

#553B42

#42553B

Split Complementary

#3B4255

#55413B

#4F553B

Tetradic

#3B4255

#553B4F

#554E3B

#3B5541

Color Blindness Simulation

Original

#3B4255

Protanopia

#3E3E50

Deuteranopia

#3E3D4F

Tritanopia

#3B4D4C

Achromatopsia

#424242

CSS Usage

background-color: #3B4255;
color: #3B4255;
border-color: #3B4255;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D5D8E2
300
#B7BDCD
400
#9099B2
500
#687597
600
#545E78
700
#434B60
800
#343A4B
900
#292D38
950
#1A1C24

Contrast Checker

Text on white

10.02:1

AA Pass AAA Pass

Text on black

2.1:1

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