#3F34AB

#3F34AB

Color Values

HEX

#3F34AB

RGB

63, 52, 171

HSL

245.5, 53.4%, 43.7%

HSV

245.5, 69.6%, 67.1%

CMYK

63.2%, 69.6%, 0.0%, 32.9%

OKLCH

0.4183 0.1813 279.2

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3F34AB

#A0AB34

Analogous

#3465AB

#7A34AB

#3F34AB

Triadic

#3F34AB

#AB3F34

#34AB3F

Split Complementary

#3F34AB

#AB7A34

#65AB34

Tetradic

#3F34AB

#AB3465

#A0AB34

#34AB7A

Color Blindness Simulation

Original

#3F34AB

Protanopia

#3A3A8E

Deuteranopia

#3B3C87

Tritanopia

#3E7772

Achromatopsia

#3F3F3F

CSS Usage

background-color: #3F34AB;
color: #3F34AB;
border-color: #3F34AB;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F5F4FB
100
#E7E5F5
200
#CCC8EE
300
#A7A1E2
400
#786ED3
500
#483BC4
600
#3A309C
700
#2E267D
800
#241E62
900
#1D1948
950
#13102D

Contrast Checker

Text on white

9.17:1

AA Pass AAA Pass

Text on black

2.29:1

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