#28381B

#28381B

Color Values

HEX

#28381B

RGB

40, 56, 27

HSL

93.1, 34.9%, 16.3%

HSV

93.1, 51.8%, 22.0%

CMYK

28.6%, 0.0%, 51.8%, 78.0%

OKLCH

0.3182 0.0527 132.3

Properties

Cool Dark Nearest: RAL 6020 Chrome Green

Color Harmonies

Complementary

#28381B

#2B1B38

Analogous

#37381B

#1B381D

#28381B

Triadic

#28381B

#1B2838

#381B28

Split Complementary

#28381B

#1D1B38

#381B37

Tetradic

#28381B

#1B3738

#2B1B38

#381D1B

Color Blindness Simulation

Original

#28381B

Protanopia

#2F2F22

Deuteranopia

#2E2D24

Tritanopia

#292829

Achromatopsia

#333333

CSS Usage

background-color: #28381B;
color: #28381B;
border-color: #28381B;
Nearest Tailwind: Lime 950 #1A2E05

Tailwind Shades

50
#F7FAF5
100
#EDF2E8
200
#DAE8CF
300
#C0D7AC
400
#9DC280
500
#7BAC53
600
#628A42
700
#4F6E35
800
#3D562A
900
#2F4021
950
#1E2815

Contrast Checker

Text on white

12.56:1

AA Pass AAA Pass

Text on black

1.67:1

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