#3F3EB9

#3F3EB9

Color Values

HEX

#3F3EB9

RGB

63, 62, 185

HSL

240,5, 49,8%, 48,4%

HSV

240,5, 66,5%, 72,5%

CMYK

65,9%, 66,5%, 0,0%, 27,5%

OKLCH

0,4471 0,1878 276,0

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#3F3EB9

#B8B93E

Analogous

#3E7AB9

#7C3EB9

#3F3EB9

Triadic

#3F3EB9

#B93F3E

#3EB93F

Split Complementary

#3F3EB9

#B97C3E

#7AB93E

Tetradic

#3F3EB9

#B93E7A

#B8B93E

#3EB97C

Color Blindness Simulation

Original

#3F3EB9

Protanopia

#3F3F9B

Deuteranopia

#3F3F94

Tritanopia

#3F847F

Achromatopsia

#474747

CSS Usage

background-color: #3F3EB9;
color: #3F3EB9;
border-color: #3F3EB9;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CACAED
300
#A4A3E0
400
#7272D0
500
#4140BF
600
#343399
700
#2A297A
800
#21205F
900
#1B1B46
950
#11112C

Contrast Checker

Text on white

8,07:1

AA Pass AAA Pass

Text on black

2,6:1

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