#3F43BF

#3F43BF

Color Values

HEX

#3F43BF

RGB

63, 67, 191

HSL

238.1, 50.4%, 49.8%

HSV

238.1, 67.0%, 74.9%

CMYK

67.0%, 64.9%, 0.0%, 25.1%

OKLCH

0.4609 0.1897 274.7

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#3F43BF

#BFBB3F

Analogous

#3F83BF

#7B3FBF

#3F43BF

Triadic

#3F43BF

#BF3F43

#43BF3F

Split Complementary

#3F43BF

#BF7B3F

#83BF3F

Tetradic

#3F43BF

#BF3F83

#BFBB3F

#3FBF7B

Color Blindness Simulation

Original

#3F43BF

Protanopia

#4141A1

Deuteranopia

#40409A

Tritanopia

#3F8984

Achromatopsia

#4B4B4B

CSS Usage

background-color: #3F43BF;
color: #3F43BF;
border-color: #3F43BF;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#C9CAED
300
#A3A5E1
400
#7174D0
500
#3F43C0
600
#333699
700
#282B7B
800
#202260
900
#1A1C46
950
#11122C

Contrast Checker

Text on white

7.59:1

AA Pass AAA Pass

Text on black

2.77:1

AA Fail AAA Fail

Related Articles

Brand Stories

Pantone Colors by Decade: The 2000s, 2010s, and 2020s Compared

Feb 01, 2026
Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026