#428EE0

#428EE0

Color Values

HEX

#428EE0

RGB

66, 142, 224

HSL

211.1, 71.8%, 56.9%

HSV

211.1, 70.5%, 87.8%

CMYK

70.5%, 36.6%, 0.0%, 12.2%

OKLCH

0.6375 0.1447 252.5

Properties

Cool Light Nearest: cornflowerblue

Color Harmonies

Complementary

#428EE0

#E09442

Analogous

#42DDE0

#4542E0

#428EE0

Triadic

#428EE0

#E0428E

#8EE042

Split Complementary

#428EE0

#E04542

#DDE042

Tetradic

#428EE0

#E042DD

#E09442

#42E045

Color Blindness Simulation

Original

#428EE0

Protanopia

#6364CC

Deuteranopia

#5E59C7

Tritanopia

#46BCB9

Achromatopsia

#848484

CSS Usage

background-color: #428EE0;
color: #428EE0;
border-color: #428EE0;
Nearest Tailwind: Blue 400 #60A5FA

Tailwind Shades

50
#F3F7FC
100
#E2EDF8
200
#C2DAF5
300
#96C0EE
400
#5D9EE4
500
#247CDB
600
#1D63AF
700
#174F8C
800
#123E6E
900
#112F50
950
#0B1E32

Contrast Checker

Text on white

3.4:1

AA Fail AAA Fail

Text on black

6.18:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026