#3F5955

#3F5955

Color Values

HEX

#3F5955

RGB

63, 89, 85

HSL

170.8, 17.1%, 29.8%

HSV

170.8, 29.2%, 34.9%

CMYK

29.2%, 0.0%, 4.5%, 65.1%

OKLCH

0.4418 0.032 184.3

Properties

Cool Dark Nearest: darkslategrey

Color Harmonies

Complementary

#3F5955

#593F43

Analogous

#3F5948

#3F5059

#3F5955

Triadic

#3F5955

#553F59

#59553F

Split Complementary

#3F5955

#593F50

#59483F

Tetradic

#3F5955

#483F59

#593F43

#50593F

Color Blindness Simulation

Original

#3F5955

Protanopia

#4A4A56

Deuteranopia

#494756

Tritanopia

#405757

Achromatopsia

#535353

CSS Usage

background-color: #3F5955;
color: #3F5955;
border-color: #3F5955;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F6F8F8
100
#EBF0EF
200
#D5E1E0
300
#B7CCC9
400
#91B1AC
500
#6A958F
600
#557772
700
#44605B
800
#354B47
900
#293836
950
#1A2322

Contrast Checker

Text on white

7.58:1

AA Pass AAA Pass

Text on black

2.77:1

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