#3F4B44

#3F4B44

Color Values

HEX

#3F4B44

RGB

63, 75, 68

HSL

145.0, 8.7%, 27.1%

HSV

145.0, 16.0%, 29.4%

CMYK

16.0%, 0.0%, 9.3%, 70.6%

OKLCH

0.3998 0.0193 159.8

Properties

Cool Dark Nearest: RAL 7010 Tarpaulin Grey

Color Harmonies

Complementary

#3F4B44

#4B3F46

Analogous

#404B3F

#3F4B4A

#3F4B44

Triadic

#3F4B44

#443F4B

#4B443F

Split Complementary

#3F4B44

#4A3F4B

#4B3F40

Tetradic

#3F4B44

#3F404B

#4B3F46

#4B4A3F

Color Blindness Simulation

Original

#3F4B44

Protanopia

#444446

Deuteranopia

#444346

Tritanopia

#404747

Achromatopsia

#484848

CSS Usage

background-color: #3F4B44;
color: #3F4B44;
border-color: #3F4B44;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F8F7
100
#ECEEED
200
#D8DEDB
300
#BCC7C1
400
#98A99F
500
#748B7E
600
#5D6F65
700
#4B5950
800
#3A453F
900
#2D3430
950
#1C211E

Contrast Checker

Text on white

9.13:1

AA Pass AAA Pass

Text on black

2.3:1

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