#21583C

#21583C

Color Values

HEX

#21583C

RGB

33, 88, 60

HSL

149.5, 45.5%, 23.7%

HSV

149.5, 62.5%, 34.5%

CMYK

62.5%, 0.0%, 31.8%, 65.5%

OKLCH

0.4152 0.0752 158.3

Properties

Cool Dark Nearest: RAL 6016 Turquoise Green

Color Harmonies

Complementary

#21583C

#58213D

Analogous

#215821

#215857

#21583C

Triadic

#21583C

#3C2158

#583C21

Split Complementary

#21583C

#572158

#582121

Tetradic

#21583C

#212158

#58213D

#585721

Color Blindness Simulation

Original

#21583C

Protanopia

#393943

Deuteranopia

#363244

Tritanopia

#244849

Achromatopsia

#4A4A4A

CSS Usage

background-color: #21583C;
color: #21583C;
border-color: #21583C;
Nearest Tailwind: Emerald 800 #065F46

Tailwind Shades

50
#F4FAF7
100
#E6F4ED
200
#CBECDB
300
#A6DEC1
400
#76CCA0
500
#45BA7F
600
#389465
700
#2C7751
800
#235D3F
900
#1D4430
950
#122B1E

Contrast Checker

Text on white

8.31:1

AA Pass AAA Pass

Text on black

2.53:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026