#403E53

#403E53

Color Values

HEX

#403E53

RGB

64, 62, 83

HSL

245.7, 14.5%, 28.4%

HSV

245.7, 25.3%, 32.5%

CMYK

22.9%, 25.3%, 0.0%, 67.5%

OKLCH

0.3746 0.0357 288.9

Properties

Cool Dark Nearest: RAL 7015 Slate Grey

Color Harmonies

Complementary

#403E53

#51533E

Analogous

#3E4653

#4A3E53

#403E53

Triadic

#403E53

#53403E

#3E5340

Split Complementary

#403E53

#534A3E

#46533E

Tetradic

#403E53

#533E46

#51533E

#3E534A

Color Blindness Simulation

Original

#403E53

Protanopia

#3F3F4E

Deuteranopia

#3F3F4D

Tritanopia

#404A49

Achromatopsia

#404040

CSS Usage

background-color: #403E53;
color: #403E53;
border-color: #403E53;
Nearest Tailwind: Gray 700 #374151

Tailwind Shades

50
#F7F6F8
100
#EBEBEF
200
#D7D6E0
300
#BBB9CB
400
#9693AE
500
#716D92
600
#5A5775
700
#48465D
800
#383749
900
#2B2A37
950
#1B1B23

Contrast Checker

Text on white

10.33:1

AA Pass AAA Pass

Text on black

2.03:1

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