#287F56

#287F56

Color Values

HEX

#287F56

RGB

40, 127, 86

HSL

151.7, 52.1%, 32.7%

HSV

151.7, 68.5%, 49.8%

CMYK

68.5%, 0.0%, 32.3%, 50.2%

OKLCH

0.5338 0.105 158.9

Properties

Cool Dark Nearest: seagreen

Color Harmonies

Complementary

#287F56

#7F2851

Analogous

#287F2A

#287C7F

#287F56

Triadic

#287F56

#56287F

#7F5628

Split Complementary

#287F56

#7F287C

#7F2A28

Tetradic

#287F56

#2A287F

#7F2851

#7C7F28

Color Blindness Simulation

Original

#287F56

Protanopia

#4E4E60

Deuteranopia

#494262

Tritanopia

#2C6869

Achromatopsia

#6A6A6A

CSS Usage

background-color: #287F56;
color: #287F56;
border-color: #287F56;
Nearest Tailwind: Emerald 700 #047857

Tailwind Shades

50
#F4FBF8
100
#E5F5EE
200
#C9EEDC
300
#A2E2C4
400
#6FD2A3
500
#3DC283
600
#319B69
700
#277C54
800
#1F6142
900
#1A4732
950
#102D1F

Contrast Checker

Text on white

4.93:1

AA Pass AAA Fail

Text on black

4.26:1

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