#3F4163

#3F4163

Color Values

HEX

#3F4163

RGB

63, 65, 99

HSL

236.7, 22.2%, 31.8%

HSV

236.7, 36.4%, 38.8%

CMYK

36.4%, 34.3%, 0.0%, 61.2%

OKLCH

0.3888 0.0575 280.8

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4163

#63613F

Analogous

#3F5363

#4F3F63

#3F4163

Triadic

#3F4163

#633F41

#41633F

Split Complementary

#3F4163

#634F3F

#53633F

Tetradic

#3F4163

#633F53

#63613F

#3F634F

Color Blindness Simulation

Original

#3F4163

Protanopia

#40405B

Deuteranopia

#404059

Tritanopia

#3F5453

Achromatopsia

#434343

CSS Usage

background-color: #3F4163;
color: #3F4163;
border-color: #3F4163;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EAEAF1
200
#D3D4E3
300
#B4B6CF
400
#8C8EB6
500
#63669C
600
#4F527D
700
#3F4164
800
#32334E
900
#27283A
950
#181925

Contrast Checker

Text on white

9.78:1

AA Pass AAA Pass

Text on black

2.15:1

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