#403C3F

#403C3F

Color Values

HEX

#403C3F

RGB

64, 60, 63

HSL

315.0, 3.2%, 24.3%

HSV

315.0, 6.2%, 25.1%

CMYK

0.0%, 6.2%, 1.6%, 74.9%

OKLCH

0.3613 0.0074 334.2

Properties

Warm Dark Nearest: RAL 8019 Grey Brown

Color Harmonies

Complementary

#403C3F

#3C403D

Analogous

#3F3C40

#403C3D

#403C3F

Triadic

#403C3F

#3F403C

#3C3F40

Split Complementary

#403C3F

#3D403C

#3C403F

Tetradic

#403C3F

#403F3C

#3C403D

#3C3D40

Color Blindness Simulation

Original

#403C3F

Protanopia

#3E3E3E

Deuteranopia

#3E3F3E

Tritanopia

#403E3E

Achromatopsia

#3D3D3D

CSS Usage

background-color: #403C3F;
color: #403C3F;
border-color: #403C3F;
Nearest Tailwind: Neutral 700 #404040

Tailwind Shades

50
#F8F7F7
100
#EEEDED
200
#DCDADC
300
#C4C0C3
400
#A49EA2
500
#847B82
600
#696368
700
#544F53
800
#423E41
900
#322F31
950
#1F1E1F

Contrast Checker

Text on white

10.85:1

AA Pass AAA Pass

Text on black

1.94:1

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