#3F399F

#3F399F

Color Values

HEX

#3F399F

RGB

63, 57, 159

HSL

243.5, 47.2%, 42.4%

HSV

243.5, 64.2%, 62.4%

CMYK

60.4%, 64.2%, 0.0%, 37.6%

OKLCH

0.4156 0.1596 279.5

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3F399F

#999F39

Analogous

#39669F

#72399F

#3F399F

Triadic

#3F399F

#9F3F39

#399F3F

Split Complementary

#3F399F

#9F7239

#669F39

Tetradic

#3F399F

#9F3966

#999F39

#399F72

Color Blindness Simulation

Original

#3F399F

Protanopia

#3C3C86

Deuteranopia

#3D3D80

Tritanopia

#3F736F

Achromatopsia

#424242

CSS Usage

background-color: #3F399F;
color: #3F399F;
border-color: #3F399F;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F5F4FA
100
#E7E6F4
200
#CCCAEC
300
#A8A5DF
400
#7974CD
500
#4A43BC
600
#3B3696
700
#302B78
800
#25225E
900
#1E1C45
950
#13122C

Contrast Checker

Text on white

9.14:1

AA Pass AAA Pass

Text on black

2.3:1

AA Fail 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