#01022B

#01022B

Color Values

HEX

#01022B

RGB

1, 2, 43

HSL

238.6, 95.5%, 8.6%

HSV

238.6, 97.7%, 16.9%

CMYK

97.7%, 95.3%, 0.0%, 83.1%

OKLCH

0.1394 0.0845 266.5

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#01022B

#2B2A01

Analogous

#01172B

#15012B

#01022B

Triadic

#01022B

#2B0102

#022B01

Split Complementary

#01022B

#2B1501

#172B01

Tetradic

#01022B

#2B0117

#2B2A01

#012B15

Color Blindness Simulation

Original

#01022B

Protanopia

#010121

Deuteranopia

#01011F

Tritanopia

#011918

Achromatopsia

#050505

CSS Usage

background-color: #01022B;
color: #01022B;
border-color: #01022B;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F1F1FE
100
#DFDFFC
200
#B9BBFD
300
#878AFC
400
#474BFB
500
#060BF9
600
#0509C7
700
#0407A0
800
#03067D
900
#07095A
950
#040639

Contrast Checker

Text on white

20.1:1

AA Pass AAA Pass

Text on black

1.04:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

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