#3F43B2

#3F43B2

Color Values

HEX

#3F43B2

RGB

63, 67, 178

HSL

237.9, 47.7%, 47.3%

HSV

237.9, 64.6%, 69.8%

CMYK

64.6%, 62.4%, 0.0%, 30.2%

OKLCH

0.4495 0.1726 275.4

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#3F43B2

#B2AE3F

Analogous

#3F7DB2

#753FB2

#3F43B2

Triadic

#3F43B2

#B23F43

#43B23F

Split Complementary

#3F43B2

#B2753F

#7DB23F

Tetradic

#3F43B2

#B23F7D

#B2AE3F

#3FB275

Color Blindness Simulation

Original

#3F43B2

Protanopia

#414197

Deuteranopia

#404091

Tritanopia

#3F827D

Achromatopsia

#4A4A4A

CSS Usage

background-color: #3F43B2;
color: #3F43B2;
border-color: #3F43B2;
Nearest Tailwind: Blue 800 #1E40AF

Tailwind Shades

50
#F4F4FA
100
#E6E6F4
200
#CACBEC
300
#A5A7DF
400
#7477CE
500
#4347BC
600
#353997
700
#2B2D79
800
#21235E
900
#1C1D45
950
#11122C

Contrast Checker

Text on white

7.9:1

AA Pass AAA Pass

Text on black

2.66:1

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