#221031

#221031

Color Values

HEX

#221031

RGB

34, 16, 49

HSL

272.7, 50.8%, 12.7%

HSV

272.7, 67.3%, 19.2%

CMYK

30.6%, 67.3%, 0.0%, 80.8%

OKLCH

0.2178 0.0648 307.0

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#221031

#1F3110

Analogous

#111031

#31102F

#221031

Triadic

#221031

#312210

#103122

Split Complementary

#221031

#2F3110

#103111

Tetradic

#221031

#311110

#1F3110

#102F31

Color Blindness Simulation

Original

#221031

Protanopia

#1A1A29

Deuteranopia

#1B1D27

Tritanopia

#212321

Achromatopsia

#161616

CSS Usage

background-color: #221031;
color: #221031;
border-color: #221031;
Nearest Tailwind: Indigo 950 #1E1B4B

Tailwind Shades

50
#F8F4FB
100
#EEE5F5
200
#DDC9ED
300
#C5A3E1
400
#A571D1
500
#853FC0
600
#6B329A
700
#55287B
800
#431F60
900
#321A47
950
#20112D

Contrast Checker

Text on white

17.7:1

AA Pass AAA Pass

Text on black

1.19:1

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