#403B49

#403B49

Color Values

HEX

#403B49

RGB

64, 59, 73

HSL

261.4, 10.6%, 25.9%

HSV

261.4, 19.2%, 28.6%

CMYK

12.3%, 19.2%, 0.0%, 71.4%

OKLCH

0.3629 0.0246 301.5

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#403B49

#44493B

Analogous

#3B3D49

#473B49

#403B49

Triadic

#403B49

#49403B

#3B4940

Split Complementary

#403B49

#49473B

#3D493B

Tetradic

#403B49

#493B3D

#44493B

#3B4947

Color Blindness Simulation

Original

#403B49

Protanopia

#3E3E46

Deuteranopia

#3E3E45

Tritanopia

#404342

Achromatopsia

#3D3D3D

CSS Usage

background-color: #403B49;
color: #403B49;
border-color: #403B49;
Nearest Tailwind: Zinc 700 #3F3F46

Tailwind Shades

50
#F7F7F8
100
#EDECEF
200
#DAD8DF
300
#C0BBC8
400
#9E97AB
500
#7C728D
600
#635B71
700
#4F495A
800
#3E3947
900
#2F2C35
950
#1E1C22

Contrast Checker

Text on white

10.83:1

AA Pass AAA Pass

Text on black

1.94:1

AA Fail AAA Fail

Related Articles

Tutorials

Responsive Color: Adapting Colors for Different Screens

Jan 23, 2026
Tutorials

Color for Data Storytelling: Beyond Default Chart Colors

Jan 21, 2026
Tutorials

How to Choose Brand Colors: A Step-by-Step Guide

Jan 18, 2026