#404640

#404640

Color Values

HEX

#404640

RGB

64, 70, 64

HSL

120.0, 4.5%, 26.3%

HSV

120.0, 8.6%, 27.5%

CMYK

8.6%, 0.0%, 8.6%, 72.5%

OKLCH

0.3866 0.0127 145.3

Properties

Cool Dark Nearest: RAL 6015 Black Olive

Color Harmonies

Complementary

#404640

#464046

Analogous

#434640

#404643

#404640

Triadic

#404640

#404046

#464040

Split Complementary

#404640

#434046

#464043

Tetradic

#404640

#404346

#464046

#464340

Color Blindness Simulation

Original

#404640

Protanopia

#434341

Deuteranopia

#424242

Tritanopia

#404343

Achromatopsia

#444444

CSS Usage

background-color: #404640;
color: #404640;
border-color: #404640;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F7F8F7
100
#ECEEEC
200
#DADDDA
300
#BFC5BF
400
#9CA59C
500
#7A857A
600
#616B61
700
#4E554E
800
#3D433D
900
#2E322E
950
#1D201D

Contrast Checker

Text on white

9.69:1

AA Pass AAA Pass

Text on black

2.17:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026