#4240CD

#4240CD

Color Values

HEX

#4240CD

RGB

66, 64, 205

HSL

240.9, 58.5%, 52.7%

HSV

240.9, 68.8%, 80.4%

CMYK

67.8%, 68.8%, 0.0%, 19.6%

OKLCH

0.4707 0.2101 275.3

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#4240CD

#CBCD40

Analogous

#4084CD

#8940CD

#4240CD

Triadic

#4240CD

#CD4240

#40CD42

Split Complementary

#4240CD

#CD8940

#84CD40

Tetradic

#4240CD

#CD4084

#CBCD40

#40CD89

Color Blindness Simulation

Original

#4240CD

Protanopia

#4141AB

Deuteranopia

#4141A3

Tritanopia

#42908A

Achromatopsia

#4B4B4B

CSS Usage

background-color: #4240CD;
color: #4240CD;
border-color: #4240CD;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F4F4FB
100
#E5E4F6
200
#C7C6F0
300
#9F9EE6
400
#6B69D8
500
#3735CA
600
#2C2AA2
700
#232281
800
#1C1A65
900
#18174A
950
#0F0E2F

Contrast Checker

Text on white

7.38:1

AA Pass AAA Pass

Text on black

2.85:1

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