#428C91

#428C91

Color Values

HEX

#428C91

RGB

66, 140, 145

HSL

183.8, 37.4%, 41.4%

HSV

183.8, 54.5%, 56.9%

CMYK

54.5%, 3.4%, 0.0%, 43.1%

OKLCH

0.5952 0.0737 201.3

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#428C91

#914742

Analogous

#42916F

#426591

#428C91

Triadic

#428C91

#91428C

#8C9142

Split Complementary

#428C91

#914265

#916F42

Tetradic

#428C91

#6F4291

#914742

#659142

Color Blindness Simulation

Original

#428C91

Protanopia

#626390

Deuteranopia

#5E5890

Tritanopia

#468F8F

Achromatopsia

#7D7D7D

CSS Usage

background-color: #428C91;
color: #428C91;
border-color: #428C91;
Nearest Tailwind: Teal 700 #0F766E

Tailwind Shades

50
#F5F9FA
100
#E7F2F3
200
#CEE7E9
300
#ABD6D9
400
#7DBFC4
500
#50A9AF
600
#40878C
700
#336C70
800
#285558
900
#203F41
950
#142829

Contrast Checker

Text on white

3.89:1

AA Fail AAA Fail

Text on black

5.39:1

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