#4278C3

#4278C3

Color Values

HEX

#4278C3

RGB

66, 120, 195

HSL

214.9, 51.8%, 51.2%

HSV

214.9, 66.2%, 76.5%

CMYK

66.2%, 38.5%, 0.0%, 23.5%

OKLCH

0.5717 0.1299 257.0

Properties

Cool Light Nearest: NCS S 1060-B Bright Blue

Color Harmonies

Complementary

#4278C3

#C38D42

Analogous

#42B8C3

#4D42C3

#4278C3

Triadic

#4278C3

#C34278

#78C342

Split Complementary

#4278C3

#C34D42

#B8C342

Tetradic

#4278C3

#C342B8

#C38D42

#42C34D

Color Blindness Simulation

Original

#4278C3

Protanopia

#595AB1

Deuteranopia

#5652AC

Tritanopia

#45A39F

Achromatopsia

#727272

CSS Usage

background-color: #4278C3;
color: #4278C3;
border-color: #4278C3;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5ECF5
200
#C9D8EE
300
#A2BDE2
400
#7099D2
500
#3D75C2
600
#315D9B
700
#274B7C
800
#1F3A61
900
#1A2D47
950
#101C2D

Contrast Checker

Text on white

4.46:1

AA Fail AAA Fail

Text on black

4.71:1

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