#1B581D

#1B581D

Color Values

HEX

#1B581D

RGB

27, 88, 29

HSL

122.0, 53.0%, 22.5%

HSV

122.0, 69.3%, 34.5%

CMYK

69.3%, 0.0%, 67.0%, 65.5%

OKLCH

0.4071 0.1101 143.7

Properties

Cool Dark Nearest: NCS S 3060-G Dark Green

Color Harmonies

Complementary

#1B581D

#581B56

Analogous

#37581B

#1B583B

#1B581D

Triadic

#1B581D

#1D1B58

#581D1B

Split Complementary

#1B581D

#3B1B58

#581B37

Tetradic

#1B581D

#1B3758

#581B56

#583B1B

Color Blindness Simulation

Original

#1B581D

Protanopia

#35362B

Deuteranopia

#322D2F

Tritanopia

#1E3739

Achromatopsia

#474747

CSS Usage

background-color: #1B581D;
color: #1B581D;
border-color: #1B581D;
Nearest Tailwind: Green 800 #166534

Tailwind Shades

50
#F4FBF4
100
#E5F5E6
200
#C8EECA
300
#A1E2A4
400
#6FD372
500
#3CC340
600
#309C34
700
#267D29
800
#1E6220
900
#19481B
950
#102D11

Contrast Checker

Text on white

8.54:1

AA Pass AAA Pass

Text on black

2.46:1

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