#3F4B52

#3F4B52

Color Values

HEX

#3F4B52

RGB

63, 75, 82

HSL

202.1, 13.1%, 28.4%

HSV

202.1, 23.2%, 32.2%

CMYK

23.2%, 8.5%, 0.0%, 67.8%

OKLCH

0.4049 0.0194 233.5

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#3F4B52

#52463F

Analogous

#3F524F

#3F4152

#3F4B52

Triadic

#3F4B52

#523F4B

#4B523F

Split Complementary

#3F4B52

#523F41

#524F3F

Tetradic

#3F4B52

#4F3F52

#52463F

#41523F

Color Blindness Simulation

Original

#3F4B52

Protanopia

#444450

Deuteranopia

#444350

Tritanopia

#404F4F

Achromatopsia

#494949

CSS Usage

background-color: #3F4B52;
color: #3F4B52;
border-color: #3F4B52;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F6F8F8
100
#EBEEEF
200
#D7DDE0
300
#BAC4CA
400
#94A4AD
500
#6F8490
600
#596A73
700
#47545C
800
#374248
900
#2B3236
950
#1B2022

Contrast Checker

Text on white

8.98:1

AA Pass AAA Pass

Text on black

2.34:1

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