#3F3B49

#3F3B49

Color Values

HEX

#3F3B49

RGB

63, 59, 73

HSL

257.1, 10.6%, 25.9%

HSV

257.1, 19.2%, 28.6%

CMYK

13.7%, 19.2%, 0.0%, 71.4%

OKLCH

0.3619 0.0244 298.2

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F3B49

#45493B

Analogous

#3B3E49

#463B49

#3F3B49

Triadic

#3F3B49

#493F3B

#3B493F

Split Complementary

#3F3B49

#49463B

#3E493B

Tetradic

#3F3B49

#493B3E

#45493B

#3B4946

Color Blindness Simulation

Original

#3F3B49

Protanopia

#3D3D46

Deuteranopia

#3E3E45

Tritanopia

#3F4342

Achromatopsia

#3D3D3D

CSS Usage

background-color: #3F3B49;
color: #3F3B49;
border-color: #3F3B49;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#ECECEF
200
#DAD8DF
300
#BFBBC8
400
#9C97AB
500
#7A728D
600
#615B71
700
#4E495A
800
#3D3947
900
#2E2C35
950
#1D1C22

Contrast Checker

Text on white

10.86:1

AA Pass AAA Pass

Text on black

1.93:1

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