#3F4050

#3F4050

Color Values

HEX

#3F4050

RGB

63, 64, 80

HSL

236.5, 11.9%, 28.0%

HSV

236.5, 21.2%, 31.4%

CMYK

21.2%, 20.0%, 0.0%, 68.6%

OKLCH

0.377 0.0273 282.2

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F4050

#504F3F

Analogous

#3F4850

#463F50

#3F4050

Triadic

#3F4050

#503F40

#40503F

Split Complementary

#3F4050

#50463F

#48503F

Tetradic

#3F4050

#503F48

#504F3F

#3F5046

Color Blindness Simulation

Original

#3F4050

Protanopia

#3F3F4C

Deuteranopia

#3F3F4B

Tritanopia

#3F4948

Achromatopsia

#414141

CSS Usage

background-color: #3F4050;
color: #3F4050;
border-color: #3F4050;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F7F7F8
100
#EBECEF
200
#D7D8E0
300
#BBBBC9
400
#9597AC
500
#70728F
600
#5A5B72
700
#48495B
800
#383947
900
#2B2C36
950
#1B1C22

Contrast Checker

Text on white

10.19:1

AA Pass AAA Pass

Text on black

2.06:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026