#3F399D

#3F399D

Color Values

HEX

#3F399D

RGB

63, 57, 157

HSL

243.6, 46.7%, 42.0%

HSV

243.6, 63.7%, 61.6%

CMYK

59.9%, 63.7%, 0.0%, 38.4%

OKLCH

0.4139 0.1569 279.7

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3F399D

#979D39

Analogous

#39659D

#71399D

#3F399D

Triadic

#3F399D

#9D3F39

#399D3F

Split Complementary

#3F399D

#9D7139

#659D39

Tetradic

#3F399D

#9D3965

#979D39

#399D71

Color Blindness Simulation

Original

#3F399D

Protanopia

#3C3C85

Deuteranopia

#3D3D7F

Tritanopia

#3F726E

Achromatopsia

#414141

CSS Usage

background-color: #3F399D;
color: #3F399D;
border-color: #3F399D;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CDCBEC
300
#A9A5DE
400
#7A75CD
500
#4B44BB
600
#3C3696
700
#302B78
800
#26225E
900
#1F1C45
950
#13122B

Contrast Checker

Text on white

9.2:1

AA Pass AAA Pass

Text on black

2.28:1

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