#403D46

#403D46

Color Values

HEX

#403D46

RGB

64, 61, 70

HSL

260.0, 6.9%, 25.7%

HSV

260.0, 12.9%, 27.5%

CMYK

8.6%, 12.9%, 0.0%, 72.5%

OKLCH

0.3664 0.0157 300.8

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#403D46

#43463D

Analogous

#3D3F46

#453D46

#403D46

Triadic

#403D46

#46403D

#3D4640

Split Complementary

#403D46

#46453D

#3F463D

Tetradic

#403D46

#463D3F

#43463D

#3D4645

Color Blindness Simulation

Original

#403D46

Protanopia

#3F3F44

Deuteranopia

#3F3F43

Tritanopia

#404242

Achromatopsia

#3E3E3E

CSS Usage

background-color: #403D46;
color: #403D46;
border-color: #403D46;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#EDECEE
200
#DAD9DE
300
#C0BEC6
400
#9E9AA7
500
#7D7788
600
#645F6D
700
#504C57
800
#3E3B44
900
#2F2D33
950
#1E1D21

Contrast Checker

Text on white

10.64:1

AA Pass AAA Pass

Text on black

1.97:1

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