#403C46

#403C46

Color Values

HEX

#403C46

RGB

64, 60, 70

HSL

264.0, 7.7%, 25.5%

HSV

264.0, 14.3%, 27.5%

CMYK

8.6%, 14.3%, 0.0%, 72.5%

OKLCH

0.364 0.0177 303.6

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#403C46

#42463C

Analogous

#3C3D46

#453C46

#403C46

Triadic

#403C46

#46403C

#3C4640

Split Complementary

#403C46

#46453C

#3D463C

Tetradic

#403C46

#463C3D

#42463C

#3C4645

Color Blindness Simulation

Original

#403C46

Protanopia

#3E3E44

Deuteranopia

#3E3F43

Tritanopia

#404241

Achromatopsia

#3E3E3E

CSS Usage

background-color: #403C46;
color: #403C46;
border-color: #403C46;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#EDECEE
200
#DBD9DE
300
#C1BDC7
400
#9F99A8
500
#7E7689
600
#645E6E
700
#504B58
800
#3F3B45
900
#302D34
950
#1E1C21

Contrast Checker

Text on white

10.75:1

AA Pass AAA Pass

Text on black

1.95:1

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