#3B4359

#3B4359

Color Values

HEX

#3B4359

RGB

59, 67, 89

HSL

224.0, 20.3%, 29.0%

HSV

224.0, 33.7%, 34.9%

CMYK

33.7%, 24.7%, 0.0%, 65.1%

OKLCH

0.385 0.0391 269.0

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3B4359

#59513B

Analogous

#3B5259

#423B59

#3B4359

Triadic

#3B4359

#593B43

#43593B

Split Complementary

#3B4359

#59423B

#52593B

Tetradic

#3B4359

#593B52

#59513B

#3B5942

Color Blindness Simulation

Original

#3B4359

Protanopia

#3E3F54

Deuteranopia

#3E3D52

Tritanopia

#3B4F4F

Achromatopsia

#434343

CSS Usage

background-color: #3B4359;
color: #3B4359;
border-color: #3B4359;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F7F9
100
#EAECF0
200
#D4D8E3
300
#B5BCCE
400
#8D98B4
500
#667399
600
#515C7B
700
#414A62
800
#333A4D
900
#282C39
950
#191C24

Contrast Checker

Text on white

9.84:1

AA Pass AAA Pass

Text on black

2.13:1

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