#3931B2

#3931B2

Color Values

HEX

#3931B2

RGB

57, 49, 178

HSL

243.7, 56.8%, 44.5%

HSV

243.7, 72.5%, 69.8%

CMYK

68.0%, 72.5%, 0.0%, 30.2%

OKLCH

0.4161 0.1947 276.5

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#3931B2

#AAB231

Analogous

#316AB2

#7931B2

#3931B2

Triadic

#3931B2

#B23931

#31B239

Split Complementary

#3931B2

#B27931

#6AB231

Tetradic

#3931B2

#B2316A

#AAB231

#31B279

Color Blindness Simulation

Original

#3931B2

Protanopia

#363593

Deuteranopia

#36378B

Tritanopia

#397A75

Achromatopsia

#3C3C3C

CSS Usage

background-color: #3931B2;
color: #3931B2;
border-color: #3931B2;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E5F6
200
#CAC7F0
300
#A39FE5
400
#726BD6
500
#4037C8
600
#332CA0
700
#292380
800
#201C64
900
#1B1849
950
#110F2E

Contrast Checker

Text on white

9.31:1

AA Pass AAA Pass

Text on black

2.26:1

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