#3779B2

#3779B2

Color Values

HEX

#3779B2

RGB

55, 121, 178

HSL

207.8, 52.8%, 45.7%

HSV

207.8, 69.1%, 69.8%

CMYK

69.1%, 32.0%, 0.0%, 30.2%

OKLCH

0.5598 0.1113 247.5

Properties

Cool Dark Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3779B2

#B27037

Analogous

#37B2AE

#373CB2

#3779B2

Triadic

#3779B2

#B23779

#79B237

Split Complementary

#3779B2

#B2373C

#B2AE37

Tetradic

#3779B2

#AE37B2

#B27037

#3CB237

Color Blindness Simulation

Original

#3779B2

Protanopia

#5454A4

Deuteranopia

#504BA1

Tritanopia

#3A9997

Achromatopsia

#6F6F6F

CSS Usage

background-color: #3779B2;
color: #3779B2;
border-color: #3779B2;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C8DDEE
300
#A1C4E2
400
#6FA4D2
500
#3C84C3
600
#306A9C
700
#27557D
800
#1E4261
900
#193247
950
#10202D

Contrast Checker

Text on white

4.63:1

AA Pass AAA Fail

Text on black

4.54:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026