#04222F

#04222F

Color Values

HEX

#04222F

RGB

4, 34, 47

HSL

198.1, 84.3%, 10.0%

HSV

198.1, 91.5%, 18.4%

CMYK

91.5%, 27.7%, 0.0%, 81.6%

OKLCH

0.2372 0.0428 230.7

Properties

Cool Dark Nearest: RAL 7021 Black Grey

Color Harmonies

Complementary

#04222F

#2F1104

Analogous

#042F26

#040D2F

#04222F

Triadic

#04222F

#2F0422

#222F04

Split Complementary

#04222F

#2F040D

#2F2604

Tetradic

#04222F

#26042F

#2F1104

#0D2F04

Color Blindness Simulation

Original

#04222F

Protanopia

#11112C

Deuteranopia

#0F0D2B

Tritanopia

#062929

Achromatopsia

#1D1D1D

CSS Usage

background-color: #04222F;
color: #04222F;
border-color: #04222F;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F2FAFD
100
#E0F2FA
200
#BDE7F9
300
#8ED6F5
400
#51C0F0
500
#14AAEB
600
#1088BC
700
#0D6D96
800
#0A5575
900
#0C3F55
950
#072836

Contrast Checker

Text on white

16.47:1

AA Pass AAA Pass

Text on black

1.28:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026