#378EF2

#378EF2

Color Values

HEX

#378EF2

RGB

55, 142, 242

HSL

212.1, 87.8%, 58.2%

HSV

212.1, 77.3%, 94.9%

CMYK

77.3%, 41.3%, 0.0%, 5.1%

OKLCH

0.6447 0.1708 254.4

Properties

Cool Light Nearest: dodgerblue 2

Color Harmonies

Complementary

#378EF2

#F29B37

Analogous

#37EBF2

#3D37F2

#378EF2

Triadic

#378EF2

#F2378E

#8EF237

Split Complementary

#378EF2

#F23D37

#EBF237

Tetradic

#378EF2

#F237EB

#F29B37

#37F23D

Color Blindness Simulation

Original

#378EF2

Protanopia

#5D5DDA

Deuteranopia

#5851D4

Tritanopia

#3BC7C2

Achromatopsia

#838383

CSS Usage

background-color: #378EF2;
color: #378EF2;
border-color: #378EF2;
Nearest Tailwind: Blue 500 #3B82F6

Tailwind Shades

50
#F2F7FD
100
#E0ECFA
200
#BCD9FB
300
#8CBEF8
400
#4E9BF3
500
#1078EF
600
#0C60C0
700
#0A4D99
800
#083C78
900
#0A2E57
950
#061D37

Contrast Checker

Text on white

3.33:1

AA Fail AAA Fail

Text on black

6.31:1

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