#3F4D65

#3F4D65

Color Values

HEX

#3F4D65

RGB

63, 77, 101

HSL

217.9, 23.2%, 32.2%

HSV

217.9, 37.6%, 39.6%

CMYK

37.6%, 23.8%, 0.0%, 60.4%

OKLCH

0.4183 0.0441 261.0

Properties

Cool Dark Nearest: RAL 5000 Violet Blue

Color Harmonies

Complementary

#3F4D65

#65573F

Analogous

#3F6065

#443F65

#3F4D65

Triadic

#3F4D65

#653F4D

#4D653F

Split Complementary

#3F4D65

#65443F

#60653F

Tetradic

#3F4D65

#653F60

#65573F

#3F6544

Color Blindness Simulation

Original

#3F4D65

Protanopia

#45455F

Deuteranopia

#44435E

Tritanopia

#405B5A

Achromatopsia

#4C4C4C

CSS Usage

background-color: #3F4D65;
color: #3F4D65;
border-color: #3F4D65;
Nearest Tailwind: Slate 600 #475569

Tailwind Shades

50
#F6F7F9
100
#EAECF1
200
#D3D9E4
300
#B4BED0
400
#8B9BB7
500
#62789D
600
#4E607E
700
#3F4D65
800
#313C4F
900
#262E3B
950
#181D25

Contrast Checker

Text on white

8.53:1

AA Pass AAA Pass

Text on black

2.46:1

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