#288F8C

#288F8C

Color Values

HEX

#288F8C

RGB

40, 143, 140

HSL

178.3, 56.3%, 35.9%

HSV

178.3, 72.0%, 56.1%

CMYK

72.0%, 0.0%, 2.1%, 43.9%

OKLCH

0.5928 0.0908 192.1

Properties

Cool Light Nearest: darkcyan

Color Harmonies

Complementary

#288F8C

#8F282B

Analogous

#288F59

#285E8F

#288F8C

Triadic

#288F8C

#8C288F

#8F8C28

Split Complementary

#288F8C

#8F285E

#8F5928

Tetradic

#288F8C

#59288F

#8F282B

#5E8F28

Color Blindness Simulation

Original

#288F8C

Protanopia

#55558D

Deuteranopia

#4F478D

Tritanopia

#2D8D8D

Achromatopsia

#797979

CSS Usage

background-color: #288F8C;
color: #288F8C;
border-color: #288F8C;
Nearest Tailwind: Teal 600 #0D9488

Tailwind Shades

50
#F4FBFB
100
#E5F6F5
200
#C7EFEE
300
#9FE4E2
400
#6CD6D3
500
#38C7C3
600
#2D9F9C
700
#24807D
800
#1C6462
900
#184948
950
#0F2E2D

Contrast Checker

Text on white

3.89:1

AA Fail AAA Fail

Text on black

5.4:1

AA Pass 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