#343537

#343537

Color Values

HEX

#343537

RGB

52, 53, 55

HSL

220.0, 2.8%, 21.0%

HSV

220.0, 5.5%, 21.6%

CMYK

5.5%, 3.6%, 0.0%, 78.4%

OKLCH

0.3287 0.0038 264.5

Properties

Cool Dark Nearest: NCS S 8000-N Very Dark Grey

Color Harmonies

Complementary

#343537

#373634

Analogous

#343737

#353437

#343537

Triadic

#343537

#373435

#353734

Split Complementary

#343537

#373534

#373734

Tetradic

#343537

#373437

#373634

#343735

Color Blindness Simulation

Original

#343537

Protanopia

#343437

Deuteranopia

#343436

Tritanopia

#343636

Achromatopsia

#353535

CSS Usage

background-color: #343537;
color: #343537;
border-color: #343537;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F7F7F8
100
#EDEDEE
200
#DADBDC
300
#C0C1C4
400
#9EA0A3
500
#7C7E83
600
#636569
700
#4F5154
800
#3E3F42
900
#2F3032
950
#1E1E1F

Contrast Checker

Text on white

12.28:1

AA Pass AAA Pass

Text on black

1.71:1

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