#3579BA

#3579BA

Color Values

HEX

#3579BA

RGB

53, 121, 186

HSL

209.3, 55.6%, 46.9%

HSV

209.3, 71.5%, 72.9%

CMYK

71.5%, 34.9%, 0.0%, 27.1%

OKLCH

0.5636 0.1221 250.0

Properties

Cool Light Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3579BA

#BA7635

Analogous

#35BAB9

#3537BA

#3579BA

Triadic

#3579BA

#BA3579

#79BA35

Split Complementary

#3579BA

#BA3537

#BAB935

Tetradic

#3579BA

#B935BA

#BA7635

#37BA35

Color Blindness Simulation

Original

#3579BA

Protanopia

#5253AA

Deuteranopia

#4E49A6

Tritanopia

#389E9B

Achromatopsia

#6F6F6F

CSS Usage

background-color: #3579BA;
color: #3579BA;
border-color: #3579BA;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E5EDF6
200
#C7DCEF
300
#A0C3E4
400
#6CA2D5
500
#3981C6
600
#2D679F
700
#24537F
800
#1C4163
900
#183149
950
#0F1F2E

Contrast Checker

Text on white

4.57:1

AA Pass AAA Fail

Text on black

4.6:1

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