#404F4F

#404F4F

Color Values

HEX

#404F4F

RGB

64, 79, 79

HSL

180.0, 10.5%, 28.0%

HSV

180.0, 19.0%, 31.0%

CMYK

19.0%, 0.0%, 0.0%, 69.0%

OKLCH

0.4147 0.0189 196.4

Properties

Cool Dark Nearest: Outer Space

Color Harmonies

Complementary

#404F4F

#4F4040

Analogous

#404F47

#40474F

#404F4F

Triadic

#404F4F

#4F404F

#4F4F40

Split Complementary

#404F4F

#4F4047

#4F4740

Tetradic

#404F4F

#47404F

#4F4040

#474F40

Color Blindness Simulation

Original

#404F4F

Protanopia

#46474F

Deuteranopia

#46444F

Tritanopia

#414F4F

Achromatopsia

#4C4C4C

CSS Usage

background-color: #404F4F;
color: #404F4F;
border-color: #404F4F;
Nearest Tailwind: Neutral 600 #525252

Tailwind Shades

50
#F7F8F8
100
#ECEFEF
200
#D8DFDF
300
#BBC8C8
400
#97ABAB
500
#728D8D
600
#5B7171
700
#495A5A
800
#394646
900
#2C3535
950
#1C2121

Contrast Checker

Text on white

8.57:1

AA Pass AAA Pass

Text on black

2.45:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

Feb 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

Feb 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

Feb 19, 2026