#3F4161

#3F4161

Color Values

HEX

#3F4161

RGB

63, 65, 97

HSL

236.5, 21.2%, 31.4%

HSV

236.5, 35.1%, 38.0%

CMYK

35.1%, 33.0%, 0.0%, 62.0%

OKLCH

0.3877 0.0542 280.8

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4161

#615F3F

Analogous

#3F5261

#4E3F61

#3F4161

Triadic

#3F4161

#613F41

#41613F

Split Complementary

#3F4161

#614E3F

#52613F

Tetradic

#3F4161

#613F52

#615F3F

#3F614E

Color Blindness Simulation

Original

#3F4161

Protanopia

#404059

Deuteranopia

#404057

Tritanopia

#3F5352

Achromatopsia

#434343

CSS Usage

background-color: #3F4161;
color: #3F4161;
border-color: #3F4161;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F6F6F9
100
#EAEAF0
200
#D4D5E3
300
#B5B6CF
400
#8D8FB5
500
#64689B
600
#50537C
700
#404263
800
#32344D
900
#27283A
950
#191924

Contrast Checker

Text on white

9.81:1

AA Pass AAA Pass

Text on black

2.14:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026