#21370B

#21370B

Color Values

HEX

#21370B

RGB

33, 55, 11

HSL

90.0, 66.7%, 12.9%

HSV

90.0, 80.0%, 21.6%

CMYK

40.0%, 0.0%, 80.0%, 78.4%

OKLCH

0.3076 0.073 132.3

Properties

Cool Dark Nearest: RAL 6020 Chrome Green

Color Harmonies

Complementary

#21370B

#210B37

Analogous

#37370B

#0B370B

#21370B

Triadic

#21370B

#0B2137

#370B21

Split Complementary

#21370B

#0B0B37

#370B37

Tetradic

#21370B

#0B3737

#210B37

#370B0B

Color Blindness Simulation

Original

#21370B

Protanopia

#2B2B16

Deuteranopia

#292818

Tritanopia

#221E20

Achromatopsia

#2F2F2F

CSS Usage

background-color: #21370B;
color: #21370B;
border-color: #21370B;
Nearest Tailwind: Lime 950 #1A2E05

Tailwind Shades

50
#F7FCF3
100
#EDF7E3
200
#DBF3C3
300
#C2EB99
400
#A1E062
500
#80D52A
600
#66AA22
700
#52881B
800
#406A15
900
#304E13
950
#1F310C

Contrast Checker

Text on white

13.0:1

AA Pass AAA Pass

Text on black

1.62:1

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