#403C49

#403C49

Color Values

HEX

#403C49

RGB

64, 60, 73

HSL

258.5, 9.8%, 26.1%

HSV

258.5, 17.8%, 28.6%

CMYK

12.3%, 17.8%, 0.0%, 71.4%

OKLCH

0.3653 0.0227 299.3

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#403C49

#45493C

Analogous

#3C3F49

#473C49

#403C49

Triadic

#403C49

#49403C

#3C4940

Split Complementary

#403C49

#49473C

#3F493C

Tetradic

#403C49

#493C3F

#45493C

#3C4947

Color Blindness Simulation

Original

#403C49

Protanopia

#3E3E46

Deuteranopia

#3E3F45

Tritanopia

#404343

Achromatopsia

#3E3E3E

CSS Usage

background-color: #403C49;
color: #403C49;
border-color: #403C49;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#EDECEF
200
#DAD8DF
300
#C0BCC8
400
#9D97AA
500
#7B738C
600
#625C70
700
#4F4A5A
800
#3D3A46
900
#2F2C35
950
#1E1C21

Contrast Checker

Text on white

10.71:1

AA Pass AAA Pass

Text on black

1.96:1

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