#428C99

#428C99

Color Values

HEX

#428C99

RGB

66, 140, 153

HSL

189.0, 39.7%, 42.9%

HSV

189.0, 56.9%, 60.0%

CMYK

56.9%, 8.5%, 0.0%, 40.0%

OKLCH

0.5982 0.0757 210.5

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Harmonies

Complementary

#428C99

#994F42

Analogous

#42997A

#426099

#428C99

Triadic

#428C99

#99428C

#8C9942

Split Complementary

#428C99

#994260

#997A42

Tetradic

#428C99

#7A4299

#994F42

#609942

Color Blindness Simulation

Original

#428C99

Protanopia

#626396

Deuteranopia

#5E5895

Tritanopia

#469393

Achromatopsia

#7D7D7D

CSS Usage

background-color: #428C99;
color: #428C99;
border-color: #428C99;
Nearest Tailwind: Cyan 600 #0891B2

Tailwind Shades

50
#F5F9FA
100
#E7F1F3
200
#CDE5E9
300
#AAD3DA
400
#7BBBC6
500
#4DA3B2
600
#3E828E
700
#316872
800
#265159
900
#1F3D42
950
#14262A

Contrast Checker

Text on white

3.86:1

AA Fail AAA Fail

Text on black

5.44:1

AA Pass AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026