#40387D

#40387D

Color Values

HEX

#40387D

RGB

64, 56, 125

HSL

247.0, 38.1%, 35.5%

HSV

247.0, 55.2%, 49.0%

CMYK

48.8%, 55.2%, 0.0%, 51.0%

OKLCH

0.3872 0.1128 285.1

Properties

Cool Dark Nearest: darkslateblue

Color Harmonies

Complementary

#40387D

#757D38

Analogous

#38527D

#63387D

#40387D

Triadic

#40387D

#7D4038

#387D40

Split Complementary

#40387D

#7D6338

#527D38

Tetradic

#40387D

#7D3852

#757D38

#387D63

Color Blindness Simulation

Original

#40387D

Protanopia

#3D3C6C

Deuteranopia

#3D3E68

Tritanopia

#405F5C

Achromatopsia

#3F3F3F

CSS Usage

background-color: #40387D;
color: #40387D;
border-color: #40387D;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E9E7F3
200
#D1CEE9
300
#B0AAD9
400
#857DC5
500
#5A4FB0
600
#483F8D
700
#3A3371
800
#2D2758
900
#242041
950
#171429

Contrast Checker

Text on white

10.1:1

AA Pass AAA Pass

Text on black

2.08:1

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