#3F4BCC

#3F4BCC

Color Values

HEX

#3F4BCC

RGB

63, 75, 204

HSL

234.9, 58.0%, 52.4%

HSV

234.9, 69.1%, 80.0%

CMYK

69.1%, 63.2%, 0.0%, 20.0%

OKLCH

0.486 0.1972 272.5

Properties

Cool Dark Nearest: slateblue 3

Color Harmonies

Complementary

#3F4BCC

#CCC03F

Analogous

#3F92CC

#7A3FCC

#3F4BCC

Triadic

#3F4BCC

#CC3F4B

#4BCC3F

Split Complementary

#3F4BCC

#CC7A3F

#92CC3F

Tetradic

#3F4BCC

#CC3F92

#CCC03F

#3FCC7A

Color Blindness Simulation

Original

#3F4BCC

Protanopia

#4444AD

Deuteranopia

#4443A5

Tritanopia

#40948F

Achromatopsia

#525252

CSS Usage

background-color: #3F4BCC;
color: #3F4BCC;
border-color: #3F4BCC;
Nearest Tailwind: Blue 700 #1D4ED8

Tailwind Shades

50
#F4F4FB
100
#E4E6F6
200
#C7CAF0
300
#9EA4E5
400
#6A73D7
500
#3642C9
600
#2B35A1
700
#222A81
800
#1B2165
900
#171B4A
950
#0F112F

Contrast Checker

Text on white

6.8:1

AA Pass AAA Fail

Text on black

3.09:1

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