#428688

#428688

Color Values

HEX

#428688

RGB

66, 134, 136

HSL

181.7, 34.7%, 39.6%

HSV

181.7, 51.5%, 53.3%

CMYK

51.5%, 1.5%, 0.0%, 46.7%

OKLCH

0.5768 0.0689 198.0

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#428688

#884442

Analogous

#428867

#426388

#428688

Triadic

#428688

#884286

#868842

Split Complementary

#428688

#884263

#886742

Tetradic

#428688

#674288

#884442

#638842

Color Blindness Simulation

Original

#428688

Protanopia

#5F6088

Deuteranopia

#5C5687

Tritanopia

#458787

Achromatopsia

#787878

CSS Usage

background-color: #428688;
color: #428688;
border-color: #428688;
Nearest Tailwind: Teal 700 #0F766E

Tailwind Shades

50
#F5F9FA
100
#E8F2F2
200
#CFE7E8
300
#ADD6D7
400
#80C0C1
500
#53A9AC
600
#438789
700
#356C6E
800
#2A5556
900
#213F40
950
#152828

Contrast Checker

Text on white

4.2:1

AA Fail AAA Fail

Text on black

5.0:1

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