#3F5B82

#3F5B82

Color Values

HEX

#3F5B82

RGB

63, 91, 130

HSL

214.9, 34.7%, 37.8%

HSV

214.9, 51.5%, 51.0%

CMYK

51.5%, 30.0%, 0.0%, 49.0%

OKLCH

0.4666 0.0721 256.8

Properties

Cool Dark Nearest: RAL 5007 Brilliant Blue

Color Harmonies

Complementary

#3F5B82

#82663F

Analogous

#3F7C82

#443F82

#3F5B82

Triadic

#3F5B82

#823F5B

#5B823F

Split Complementary

#3F5B82

#82443F

#7C823F

Tetradic

#3F5B82

#823F7C

#82663F

#3F8244

Color Blindness Simulation

Original

#3F5B82

Protanopia

#4B4B79

Deuteranopia

#4A4776

Tritanopia

#40716F

Achromatopsia

#585858

CSS Usage

background-color: #3F5B82;
color: #3F5B82;
border-color: #3F5B82;
Nearest Tailwind: Sky 800 #075985

Tailwind Shades

50
#F5F7FA
100
#E8ECF2
200
#CFD9E8
300
#ADBED7
400
#809BC1
500
#5378AC
600
#436089
700
#354D6E
800
#2A3C56
900
#212E40
950
#151D28

Contrast Checker

Text on white

6.93:1

AA Pass AAA Fail

Text on black

3.03:1

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