#3B183D

#3B183D

Color Values

HEX

#3B183D

RGB

59, 24, 61

HSL

296.8, 43.5%, 16.7%

HSV

296.8, 60.7%, 23.9%

CMYK

3.3%, 60.7%, 0.0%, 76.1%

OKLCH

0.2777 0.0788 325.4

Properties

Cool Dark Nearest: RAL 5002 Ultramarine Blue

Color Harmonies

Complementary

#3B183D

#1A3D18

Analogous

#29183D

#3D182D

#3B183D

Triadic

#3B183D

#3D3B18

#183D3B

Split Complementary

#3B183D

#2D3D18

#183D29

Tetradic

#3B183D

#3D2918

#1A3D18

#182D3D

Color Blindness Simulation

Original

#3B183D

Protanopia

#2C2C34

Deuteranopia

#2E3032

Tritanopia

#392D2B

Achromatopsia

#222222

CSS Usage

background-color: #3B183D;
color: #3B183D;
border-color: #3B183D;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#FAF5FA
100
#F3E7F4
200
#E9CCEB
300
#DAA7DC
400
#C578CA
500
#B148B7
600
#8E3A92
700
#712E75
800
#59245B
900
#411D43
950
#29132B

Contrast Checker

Text on white

15.17:1

AA Pass AAA Pass

Text on black

1.38:1

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