#0B021F

#0B021F

Color Values

HEX

#0B021F

RGB

11, 2, 31

HSL

258.6, 87.9%, 6.5%

HSV

258.6, 93.5%, 12.2%

CMYK

64.5%, 93.5%, 0.0%, 87.8%

OKLCH

0.1364 0.0632 293.9

Properties

Cool Dark Nearest: RAL 5003 Sapphire Blue

Color Harmonies

Complementary

#0B021F

#161F02

Analogous

#02081F

#1A021F

#0B021F

Triadic

#0B021F

#1F0B02

#021F0B

Split Complementary

#0B021F

#1F1A02

#081F02

Tetradic

#0B021F

#1F0208

#161F02

#021F1A

Color Blindness Simulation

Original

#0B021F

Protanopia

#070718

Deuteranopia

#080816

Tritanopia

#0B1211

Achromatopsia

#060606

CSS Usage

background-color: #0B021F;
color: #0B021F;
border-color: #0B021F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F5F2FD
100
#E8E0FA
200
#CFBCFB
300
#AD8CF8
400
#814EF4
500
#550FF0
600
#440CC0
700
#360A99
800
#2A0878
900
#220A57
950
#150637

Contrast Checker

Text on white

20.14:1

AA Pass AAA Pass

Text on black

1.04:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

ม.ค. 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

ม.ค. 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

ม.ค. 18, 2026