#285140

#285140

Color Values

HEX

#285140

RGB

40, 81, 64

HSL

155.1, 33.9%, 23.7%

HSV

155.1, 50.6%, 31.8%

CMYK

50.6%, 0.0%, 21.0%, 68.2%

OKLCH

0.3995 0.0551 164.9

Properties

Cool Dark Nearest: RAL 6028 Pine Green

Color Harmonies

Complementary

#285140

#512839

Analogous

#28512B

#284D51

#285140

Triadic

#285140

#402851

#514028

Split Complementary

#285140

#51284D

#512B28

Tetradic

#285140

#2B2851

#512839

#4D5128

Color Blindness Simulation

Original

#285140

Protanopia

#3A3A44

Deuteranopia

#373445

Tritanopia

#2A4748

Achromatopsia

#474747

CSS Usage

background-color: #285140;
color: #285140;
border-color: #285140;
Nearest Tailwind: Emerald 900 #064E3B

Tailwind Shades

50
#F5FAF8
100
#E8F2EE
200
#CFE7DD
300
#ADD7C5
400
#81C1A6
500
#54AB87
600
#43896C
700
#366D56
800
#2A5543
900
#223F33
950
#152820

Contrast Checker

Text on white

8.97:1

AA Pass AAA Pass

Text on black

2.34:1

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