#343040

#343040

Color Values

HEX

#343040

RGB

52, 48, 64

HSL

255.0, 14.3%, 22.0%

HSV

255.0, 25.0%, 25.1%

CMYK

18.8%, 25.0%, 0.0%, 74.9%

OKLCH

0.3201 0.0286 296.2

Properties

Cool Dark Nearest: RAL 5008 Grey Blue

Color Harmonies

Complementary

#343040

#3C4030

Analogous

#303440

#3C3040

#343040

Triadic

#343040

#403430

#304034

Split Complementary

#343040

#403C30

#344030

Tetradic

#343040

#403034

#3C4030

#30403C

Color Blindness Simulation

Original

#343040

Protanopia

#32323C

Deuteranopia

#32333B

Tritanopia

#343938

Achromatopsia

#323232

CSS Usage

background-color: #343040;
color: #343040;
border-color: #343040;
Nearest Tailwind: Gray 800 #1F2937

Tailwind Shades

50
#F7F6F8
100
#ECEBEF
200
#D9D6E0
300
#BDB9CB
400
#9A93AE
500
#766D92
600
#5F5775
700
#4C465D
800
#3B3749
900
#2D2A37
950
#1D1B23

Contrast Checker

Text on white

12.78:1

AA Pass AAA Pass

Text on black

1.64:1

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