#04211C

#04211C

Color Values

HEX

#04211C

RGB

4, 33, 28

HSL

169.7, 78.4%, 7.3%

HSV

169.7, 87.9%, 12.9%

CMYK

87.9%, 0.0%, 15.2%, 87.1%

OKLCH

0.2242 0.0362 179.5

Properties

Cool Dark Nearest: RAL 6036 Pearl Opal Green

Color Harmonies

Complementary

#04211C

#210409

Analogous

#04210E

#041821

#04211C

Triadic

#04211C

#1C0421

#211C04

Split Complementary

#04211C

#210418

#210E04

Tetradic

#04211C

#0E0421

#210409

#182104

Color Blindness Simulation

Original

#04211C

Protanopia

#11111D

Deuteranopia

#0F0D1E

Tritanopia

#051E1E

Achromatopsia

#1A1A1A

CSS Usage

background-color: #04211C;
color: #04211C;
border-color: #04211C;
Nearest Tailwind: Emerald 950 #022C22

Tailwind Shades

50
#F2FCFB
100
#E1F9F5
200
#BFF7EE
300
#92F2E1
400
#57EBD1
500
#1CE3C1
600
#16B69B
700
#12927C
800
#0E7261
900
#0E5347
950
#09342D

Contrast Checker

Text on white

16.94:1

AA Pass AAA Pass

Text on black

1.24:1

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