#289C9F

#289C9F

Color Values

HEX

#289C9F

RGB

40, 156, 159

HSL

181.5, 59.8%, 39.0%

HSV

181.5, 74.8%, 62.4%

CMYK

74.8%, 1.9%, 0.0%, 37.6%

OKLCH

0.633 0.0981 197.6

Properties

Cool Light Nearest: darkcyan

Color Harmonies

Complementary

#289C9F

#9F2B28

Analogous

#289F66

#28609F

#289C9F

Triadic

#289C9F

#9F289C

#9C9F28

Split Complementary

#289C9F

#9F2860

#9F6628

Tetradic

#289C9F

#66289F

#9F2B28

#609F28

Color Blindness Simulation

Original

#289C9F

Protanopia

#5A5B9E

Deuteranopia

#544B9E

Tritanopia

#2E9E9E

Achromatopsia

#848484

CSS Usage

background-color: #289C9F;
color: #289C9F;
border-color: #289C9F;
Nearest Tailwind: Teal 600 #0D9488

Tailwind Shades

50
#F3FBFB
100
#E4F6F6
200
#C6F0F1
300
#9DE5E6
400
#68D6D9
500
#33C8CC
600
#29A0A3
700
#218082
800
#1A6466
900
#16494B
950
#0E2E2F

Contrast Checker

Text on white

3.31:1

AA Fail AAA Fail

Text on black

6.35:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026