#428EFF

#428EFF

Color Values

HEX

#428EFF

RGB

66, 142, 255

HSL

215,9, 100,0%, 62,9%

HSV

215,9, 74,1%, 100,0%

CMYK

74,1%, 44,3%, 0,0%, 0,0%

OKLCH

0,6563 0,1841 258,4

Properties

Cool Light Nearest: dodgerblue

Color Harmonies

Complementary

#428EFF

#FFB342

Analogous

#42ECFF

#5442FF

#428EFF

Triadic

#428EFF

#FF428E

#8EFF42

Split Complementary

#428EFF

#FF5442

#ECFF42

Tetradic

#428EFF

#FF42EC

#FFB342

#42FF54

Color Blindness Simulation

Original

#428EFF

Protanopia

#6364E4

Deuteranopia

#5E59DD

Tritanopia

#46CEC9

Achromatopsia

#868686

CSS Usage

background-color: #428EFF;
color: #428EFF;
border-color: #428EFF;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F1F6FE
100
#DEEAFC
200
#B8D4FF
300
#85B6FF
400
#428EFF
500
#0066FF
600
#0052CC
700
#0042A3
800
#003380
900
#05285C
950
#03193A

Contrast Checker

Text on white

3,21:1

AA Fail AAA Fail

Text on black

6,54:1

AA Pass AAA Fail

Related Articles

Color Questions

What Is Pantone? The Universal Color Language

Şub 20, 2026
Color Questions

What Is Metamerism? Why Colors Look Different Under Different Lights

Şub 20, 2026
Color Questions

What Is Luminance? Brightness in Color Science

Şub 20, 2026