#3F3A47

#3F3A47

Color Values

HEX

#3F3A47

RGB

63, 58, 71

HSL

263.1, 10.1%, 25.3%

HSV

263.1, 18.3%, 27.8%

CMYK

11.3%, 18.3%, 0.0%, 72.2%

OKLCH

0.3586 0.0231 302.7

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#3F3A47

#42473A

Analogous

#3A3B47

#463A47

#3F3A47

Triadic

#3F3A47

#473F3A

#3A473F

Split Complementary

#3F3A47

#47463A

#3B473A

Tetradic

#3F3A47

#473A3B

#42473A

#3A4746

Color Blindness Simulation

Original

#3F3A47

Protanopia

#3D3D44

Deuteranopia

#3D3D43

Tritanopia

#3F4141

Achromatopsia

#3C3C3C

CSS Usage

background-color: #3F3A47;
color: #3F3A47;
border-color: #3F3A47;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#EDECEF
200
#DAD8DF
300
#C0BCC8
400
#9E97AA
500
#7D738C
600
#645C70
700
#50495A
800
#3E3946
900
#2F2C35
950
#1E1C21

Contrast Checker

Text on white

11.01:1

AA Pass AAA Pass

Text on black

1.91:1

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