#04122F

#04122F

Color Values

HEX

#04122F

RGB

4, 18, 47

HSL

220.5, 84.3%, 10.0%

HSV

220.5, 91.5%, 18.4%

CMYK

91.5%, 61.7%, 0.0%, 81.6%

OKLCH

0.1902 0.062 261.4

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#04122F

#2F2104

Analogous

#04272F

#0C042F

#04122F

Triadic

#04122F

#2F0412

#122F04

Split Complementary

#04122F

#2F0C04

#272F04

Tetradic

#04122F

#2F0427

#2F2104

#042F0C

Color Blindness Simulation

Original

#04122F

Protanopia

#0A0A28

Deuteranopia

#090826

Tritanopia

#052221

Achromatopsia

#111111

CSS Usage

background-color: #04122F;
color: #04122F;
border-color: #04122F;
Nearest Tailwind: Slate 900 #0F172A

Tailwind Shades

50
#F2F5FD
100
#E0E9FA
200
#BDD1F9
300
#8EB0F5
400
#5185F0
500
#145AEB
600
#1048BC
700
#0D3A96
800
#0A2D75
900
#0C2455
950
#071636

Contrast Checker

Text on white

18.54:1

AA Pass AAA Pass

Text on black

1.13:1

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