#428FAF

#428FAF

Color Values

HEX

#428FAF

RGB

66, 143, 175

HSL

197.6, 45.2%, 47.3%

HSV

197.6, 62.3%, 68.6%

CMYK

62.3%, 18.3%, 0.0%, 31.4%

OKLCH

0.6148 0.0895 228.1

Properties

Cool Light Nearest: Blue Green

Color Harmonies

Complementary

#428FAF

#AF6242

Analogous

#42AF99

#4259AF

#428FAF

Triadic

#428FAF

#AF428F

#8FAF42

Split Complementary

#428FAF

#AF4259

#AF9942

Tetradic

#428FAF

#9942AF

#AF6242

#59AF42

Color Blindness Simulation

Original

#428FAF

Protanopia

#6364A7

Deuteranopia

#5F59A5

Tritanopia

#46A1A0

Achromatopsia

#818181

CSS Usage

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

Tailwind Shades

50
#F4F9FA
100
#E6F0F4
200
#CBE2EB
300
#A6CDDD
400
#76B2CB
500
#4697B9
600
#387994
700
#2D6176
800
#234C5D
900
#1D3944
950
#12242B

Contrast Checker

Text on white

3.63:1

AA Fail AAA Fail

Text on black

5.78:1

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