#3F339C

#3F339C

Color Values

HEX

#3F339C

RGB

63, 51, 156

HSL

246.9, 50.7%, 40.6%

HSV

246.9, 67.3%, 61.2%

CMYK

59.6%, 67.3%, 0.0%, 38.8%

OKLCH

0.4029 0.1631 281.4

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3F339C

#909C33

Analogous

#335B9C

#74339C

#3F339C

Triadic

#3F339C

#9C3F33

#339C3F

Split Complementary

#3F339C

#9C7433

#5B9C33

Tetradic

#3F339C

#9C335B

#909C33

#339C74

Color Blindness Simulation

Original

#3F339C

Protanopia

#3A3A83

Deuteranopia

#3A3B7C

Tritanopia

#3E6F6A

Achromatopsia

#3D3D3D

CSS Usage

background-color: #3F339C;
color: #3F339C;
border-color: #3F339C;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CDC9ED
300
#AAA3E1
400
#7C71D0
500
#4E3FC0
600
#3E329A
700
#32287B
800
#271F60
900
#1F1A47
950
#14112D

Contrast Checker

Text on white

9.7:1

AA Pass AAA Pass

Text on black

2.16:1

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