#288389

#288389

Color Values

HEX

#288389

RGB

40, 131, 137

HSL

183.7, 54.8%, 34.7%

HSV

183.7, 70.8%, 53.7%

CMYK

70.8%, 4.4%, 0.0%, 46.3%

OKLCH

0.5606 0.0831 201.5

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#288389

#892E28

Analogous

#28895E

#285389

#288389

Triadic

#288389

#892883

#838928

Split Complementary

#288389

#892853

#895E28

Tetradic

#288389

#5E2889

#892E28

#538928

Color Blindness Simulation

Original

#288389

Protanopia

#4F5088

Deuteranopia

#4A4387

Tritanopia

#2D8686

Achromatopsia

#707070

CSS Usage

background-color: #288389;
color: #288389;
border-color: #288389;
Nearest Tailwind: Teal 700 #0F766E

Tailwind Shades

50
#F4FAFB
100
#E5F4F5
200
#C8ECEF
300
#A0DFE3
400
#6DCED4
500
#3ABDC5
600
#2E979E
700
#25797E
800
#1D5E63
900
#194548
950
#102C2E

Contrast Checker

Text on white

4.47:1

AA Fail AAA Fail

Text on black

4.7:1

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