#21301F

#21301F

Color Values

HEX

#21301F

RGB

33, 48, 31

HSL

112.9, 21.5%, 15.5%

HSV

112.9, 35.4%, 18.8%

CMYK

31.3%, 0.0%, 35.4%, 81.2%

OKLCH

0.2901 0.0364 141.7

Properties

Cool Dark Nearest: RAL 6020 Chrome Green

Color Harmonies

Complementary

#21301F

#2E1F30

Analogous

#2A301F

#1F3026

#21301F

Triadic

#21301F

#1F2130

#301F21

Split Complementary

#21301F

#261F30

#301F2A

Tetradic

#21301F

#1F2A30

#2E1F30

#30261F

Color Blindness Simulation

Original

#21301F

Protanopia

#272823

Deuteranopia

#272624

Tritanopia

#222627

Achromatopsia

#2C2C2C

CSS Usage

background-color: #21301F;
color: #21301F;
border-color: #21301F;
Nearest Tailwind: Emerald 950 #022C22

Tailwind Shades

50
#F6F9F6
100
#EBF0EA
200
#D5E3D4
300
#B8CFB5
400
#91B58C
500
#6B9B64
600
#557C50
700
#446340
800
#354D32
900
#293A27
950
#1A2519

Contrast Checker

Text on white

13.93:1

AA Pass AAA Pass

Text on black

1.51:1

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