#428DC3

#428DC3

Color Values

HEX

#428DC3

RGB

66, 141, 195

HSL

205.1, 51.8%, 51.2%

HSV

205.1, 66.2%, 76.5%

CMYK

66.2%, 27.7%, 0.0%, 23.5%

OKLCH

0.6196 0.1106 242.8

Properties

Cool Light Nearest: steelblue 3

Color Harmonies

Complementary

#428DC3

#C37842

Analogous

#42C3B8

#424DC3

#428DC3

Triadic

#428DC3

#C3428D

#8DC342

Split Complementary

#428DC3

#C3424D

#C3B842

Tetradic

#428DC3

#B842C3

#C37842

#4DC342

Color Blindness Simulation

Original

#428DC3

Protanopia

#6263B6

Deuteranopia

#5E58B3

Tritanopia

#46ACA9

Achromatopsia

#818181

CSS Usage

background-color: #428DC3;
color: #428DC3;
border-color: #428DC3;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C9DEEE
300
#A2C7E2
400
#70A9D2
500
#3D8AC2
600
#316F9B
700
#27597C
800
#1F4561
900
#1A3447
950
#10212D

Contrast Checker

Text on white

3.6:1

AA Fail AAA Fail

Text on black

5.83:1

AA Pass AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026