#3F79BA

#3F79BA

Color Values

HEX

#3F79BA

RGB

63, 121, 186

HSL

211.7, 49.4%, 48.8%

HSV

211.7, 66.1%, 72.9%

CMYK

66.1%, 34.9%, 0.0%, 27.1%

OKLCH

0.5674 0.1181 252.9

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F79BA

#BA803F

Analogous

#3FB6BA

#423FBA

#3F79BA

Triadic

#3F79BA

#BA3F79

#79BA3F

Split Complementary

#3F79BA

#BA423F

#B6BA3F

Tetradic

#3F79BA

#BA3FB6

#BA803F

#3FBA42

Color Blindness Simulation

Original

#3F79BA

Protanopia

#5859AA

Deuteranopia

#5550A6

Tritanopia

#429E9B

Achromatopsia

#717171

CSS Usage

background-color: #3F79BA;
color: #3F79BA;
border-color: #3F79BA;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6EDF5
200
#CADAED
300
#A4C0E0
400
#729ECF
500
#417CBE
600
#346398
700
#294F7A
800
#203E5F
900
#1B2F46
950
#111E2C

Contrast Checker

Text on white

4.51:1

AA Pass AAA Fail

Text on black

4.66:1

AA Pass AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

ก.พ. 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

ก.พ. 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

ก.พ. 19, 2026