#3F4566

#3F4566

Color Values

HEX

#3F4566

RGB

63, 69, 102

HSL

230.8, 23.6%, 32.4%

HSV

230.8, 38.2%, 40.0%

CMYK

38.2%, 32.4%, 0.0%, 60.0%

OKLCH

0.3997 0.0563 275.7

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4566

#66603F

Analogous

#3F5966

#4D3F66

#3F4566

Triadic

#3F4566

#663F45

#45663F

Split Complementary

#3F4566

#664D3F

#59663F

Tetradic

#3F4566

#663F59

#66603F

#3F664D

Color Blindness Simulation

Original

#3F4566

Protanopia

#42425E

Deuteranopia

#41415C

Tritanopia

#3F5856

Achromatopsia

#464646

CSS Usage

background-color: #3F4566;
color: #3F4566;
border-color: #3F4566;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EAEBF1
200
#D3D5E4
300
#B3B8D0
400
#8A91B7
500
#616B9E
600
#4E557E
700
#3E4465
800
#31354F
900
#26293B
950
#181A25

Contrast Checker

Text on white

9.31:1

AA Pass AAA Pass

Text on black

2.25:1

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