#0B221F

#0B221F

Color Values

HEX

#0B221F

RGB

11, 34, 31

HSL

172.2, 51.1%, 8.8%

HSV

172.2, 67.6%, 13.3%

CMYK

67.6%, 0.0%, 8.8%, 86.7%

OKLCH

0.2323 0.0296 184.2

Properties

Cool Dark Nearest: RAL 7021 Black Grey

Color Harmonies

Complementary

#0B221F

#220B0E

Analogous

#0B2213

#0B1922

#0B221F

Triadic

#0B221F

#1F0B22

#221F0B

Split Complementary

#0B221F

#220B19

#22130B

Tetradic

#0B221F

#130B22

#220B0E

#19220B

Color Blindness Simulation

Original

#0B221F

Protanopia

#151520

Deuteranopia

#141220

Tritanopia

#0C2020

Achromatopsia

#1D1D1D

CSS Usage

background-color: #0B221F;
color: #0B221F;
border-color: #0B221F;
Nearest Tailwind: Teal 950 #042F2E

Tailwind Shades

50
#F4FBFA
100
#E5F5F3
200
#C9EEE9
300
#A3E1D9
400
#70D1C4
500
#3EC1B0
600
#329A8D
700
#287B70
800
#1F6058
900
#1A4741
950
#112D29

Contrast Checker

Text on white

16.63:1

AA Pass AAA Pass

Text on black

1.26:1

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