#40354D

#40354D

Color Values

HEX

#40354D

RGB

64, 53, 77

HSL

267.5, 18.5%, 25.5%

HSV

267.5, 31.2%, 30.2%

CMYK

16.9%, 31.2%, 0.0%, 69.8%

OKLCH

0.3509 0.0433 305.2

Properties

Cool Dark Nearest: RAL 5013 Cobalt Blue

Color Harmonies

Complementary

#40354D

#424D35

Analogous

#35364D

#4C354D

#40354D

Triadic

#40354D

#4D4035

#354D40

Split Complementary

#40354D

#4D4C35

#364D35

Tetradic

#40354D

#4D3536

#424D35

#354D4C

Color Blindness Simulation

Original

#40354D

Protanopia

#3B3B47

Deuteranopia

#3C3D46

Tritanopia

#3F4342

Achromatopsia

#393939

CSS Usage

background-color: #40354D;
color: #40354D;
border-color: #40354D;
Nearest Tailwind: Slate 700 #334155

Tailwind Shades

50
#F7F6F9
100
#EDEAF0
200
#DBD5E2
300
#C1B6CD
400
#9F8FB2
500
#7E6897
600
#645379
700
#504361
800
#3F344C
900
#302839
950
#1E1A24

Contrast Checker

Text on white

11.45:1

AA Pass AAA Pass

Text on black

1.83:1

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