#3779B1

#3779B1

Color Values

HEX

#3779B1

RGB

55, 121, 177

HSL

207.5, 52.6%, 45.5%

HSV

207.5, 68.9%, 69.4%

CMYK

68.9%, 31.6%, 0.0%, 30.6%

OKLCH

0.5593 0.1101 247.0

Properties

Cool Dark Nearest: RAL 5012 Light Blue

Color Harmonies

Complementary

#3779B1

#B16F37

Analogous

#37B1AC

#373CB1

#3779B1

Triadic

#3779B1

#B13779

#79B137

Split Complementary

#3779B1

#B1373C

#B1AC37

Tetradic

#3779B1

#AC37B1

#B16F37

#3CB137

Color Blindness Simulation

Original

#3779B1

Protanopia

#5454A3

Deuteranopia

#504BA0

Tritanopia

#3A9996

Achromatopsia

#6F6F6F

CSS Usage

background-color: #3779B1;
color: #3779B1;
border-color: #3779B1;
Nearest Tailwind: Sky 700 #0369A1

Tailwind Shades

50
#F4F8FB
100
#E5EEF5
200
#C9DDEE
300
#A2C4E2
400
#6FA5D2
500
#3C85C3
600
#306A9C
700
#27557D
800
#1E4361
900
#1A3247
950
#10202D

Contrast Checker

Text on white

4.63:1

AA Pass AAA Fail

Text on black

4.53:1

AA Pass AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026