#404339

#404339

Color Values

HEX

#404339

RGB

64, 67, 57

HSL

78.0, 8.1%, 24.3%

HSV

78.0, 14.9%, 26.3%

CMYK

4.5%, 0.0%, 14.9%, 73.7%

OKLCH

0.3767 0.0171 120.8

Properties

Cool Dark Nearest: RAL 6015 Black Olive

Color Harmonies

Complementary

#404339

#3C3943

Analogous

#434139

#3B4339

#404339

Triadic

#404339

#394043

#433940

Split Complementary

#404339

#393B43

#413943

Tetradic

#404339

#394341

#3C3943

#43393B

Color Blindness Simulation

Original

#404339

Protanopia

#41413B

Deuteranopia

#41413C

Tritanopia

#403D3E

Achromatopsia

#424242

CSS Usage

background-color: #404339;
color: #404339;
border-color: #404339;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F8F8F7
100
#EEEEEC
200
#DCDED8
300
#C4C7BD
400
#A4A899
500
#848A75
600
#696E5E
700
#54584B
800
#42453B
900
#32342D
950
#1F211C

Contrast Checker

Text on white

10.1:1

AA Pass AAA Pass

Text on black

2.08:1

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