#289C9B

#289C9B

Color Values

HEX

#289C9B

RGB

40, 156, 155

HSL

179.5, 59.2%, 38.4%

HSV

179.5, 74.4%, 61.2%

CMYK

74.4%, 0.0%, 0.6%, 38.8%

OKLCH

0.6315 0.0983 194.1

Properties

Cool Light Nearest: darkcyan

Color Harmonies

Complementary

#289C9B

#9C2829

Analogous

#289C61

#28639C

#289C9B

Triadic

#289C9B

#9B289C

#9C9B28

Split Complementary

#289C9B

#9C2863

#9C6128

Tetradic

#289C9B

#61289C

#9C2829

#639C28

Color Blindness Simulation

Original

#289C9B

Protanopia

#5A5B9B

Deuteranopia

#544B9B

Tritanopia

#2E9B9B

Achromatopsia

#838383

CSS Usage

background-color: #289C9B;
color: #289C9B;
border-color: #289C9B;
Nearest Tailwind: Teal 600 #0D9488

Tailwind Shades

50
#F4FBFB
100
#E4F6F6
200
#C6F0F0
300
#9EE6E5
400
#69D9D8
500
#34CBCA
600
#2AA2A1
700
#218281
800
#1A6565
900
#174A4A
950
#0E2F2F

Contrast Checker

Text on white

3.32:1

AA Fail AAA Fail

Text on black

6.32:1

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