#3F73B8

#3F73B8

Color Values

HEX

#3F73B8

RGB

63, 115, 184

HSL

214.2, 49.0%, 48.4%

HSV

214.2, 65.8%, 72.2%

CMYK

65.8%, 37.5%, 0.0%, 27.8%

OKLCH

0.5527 0.1217 256.2

Properties

Cool Dark Nearest: RAL 5015 Sky Blue

Color Harmonies

Complementary

#3F73B8

#B8843F

Analogous

#3FAFB8

#473FB8

#3F73B8

Triadic

#3F73B8

#B83F73

#73B83F

Split Complementary

#3F73B8

#B8473F

#AFB83F

Tetradic

#3F73B8

#B83FAF

#B8843F

#3FB847

Color Blindness Simulation

Original

#3F73B8

Protanopia

#5656A7

Deuteranopia

#524FA3

Tritanopia

#429A97

Achromatopsia

#6D6D6D

CSS Usage

background-color: #3F73B8;
color: #3F73B8;
border-color: #3F73B8;
Nearest Tailwind: Sky 600 #0284C7

Tailwind Shades

50
#F4F7FB
100
#E6ECF5
200
#CAD9ED
300
#A4BEE0
400
#729ACF
500
#4177BE
600
#345F98
700
#2A4C7A
800
#213B5F
900
#1B2D46
950
#111D2C

Contrast Checker

Text on white

4.82:1

AA Pass AAA Fail

Text on black

4.36:1

AA Fail 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