#403F3C

#403F3C

Color Values

HEX

#403F3C

RGB

64, 63, 60

HSL

45.0, 3.2%, 24.3%

HSV

45.0, 6.2%, 25.1%

CMYK

0.0%, 1.6%, 6.2%, 74.9%

OKLCH

0.3676 0.0052 91.5

Properties

Warm Dark Nearest: RAL 6015 Black Olive

Color Harmonies

Complementary

#403F3C

#3C3D40

Analogous

#403D3C

#3F403C

#403F3C

Triadic

#403F3C

#3C403F

#3F3C40

Split Complementary

#403F3C

#3C3F40

#3D3C40

Tetradic

#403F3C

#3C403D

#3C3D40

#403C3F

Color Blindness Simulation

Original

#403F3C

Protanopia

#40403D

Deuteranopia

#40403D

Tritanopia

#403D3D

Achromatopsia

#3F3F3F

CSS Usage

background-color: #403F3C;
color: #403F3C;
border-color: #403F3C;
Nearest Tailwind: Stone 700 #44403C

Tailwind Shades

50
#F8F7F7
100
#EEEDED
200
#DCDCDA
300
#C4C3C0
400
#A4A29E
500
#84827B
600
#696863
700
#54534F
800
#42413E
900
#32312F
950
#1F1F1E

Contrast Checker

Text on white

10.53:1

AA Pass AAA Pass

Text on black

1.99:1

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