#428BD4

#428BD4

Color Values

HEX

#428BD4

RGB

66, 139, 212

HSL

210.0, 62.9%, 54.5%

HSV

210.0, 68.9%, 83.1%

CMYK

68.9%, 34.4%, 0.0%, 16.9%

OKLCH

0.624 0.1326 250.8

Properties

Cool Light Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#428BD4

#D48B42

Analogous

#42D4D4

#4242D4

#428BD4

Triadic

#428BD4

#D4428B

#8BD442

Split Complementary

#428BD4

#D44242

#D4D442

Tetradic

#428BD4

#D442D4

#D48B42

#42D442

Color Blindness Simulation

Original

#428BD4

Protanopia

#6262C2

Deuteranopia

#5D58BE

Tritanopia

#46B4B1

Achromatopsia

#818181

CSS Usage

background-color: #428BD4;
color: #428BD4;
border-color: #428BD4;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F3F7FB
100
#E4EDF7
200
#C5DBF2
300
#9BC2E8
400
#65A1DC
500
#2F80D0
600
#2666A6
700
#1E5285
800
#184068
900
#15304C
950
#0D1F30

Contrast Checker

Text on white

3.57:1

AA Fail AAA Fail

Text on black

5.88:1

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