#403FDF

#403FDF

Color Values

HEX

#403FDF

RGB

64, 63, 223

HSL

240.4, 71.4%, 56.1%

HSV

240.4, 71.7%, 87.5%

CMYK

71.3%, 71.7%, 0.0%, 12.5%

OKLCH

0.4853 0.2334 273.7

Properties

Cool Dark Nearest: purple 3

Color Harmonies

Complementary

#403FDF

#DEDF3F

Analogous

#3F8EDF

#903FDF

#403FDF

Triadic

#403FDF

#DF403F

#3FDF40

Split Complementary

#403FDF

#DF903F

#8EDF3F

Tetradic

#403FDF

#DF3F8E

#DEDF3F

#3FDF90

Color Blindness Simulation

Original

#403FDF

Protanopia

#4040B8

Deuteranopia

#4040AF

Tritanopia

#409A93

Achromatopsia

#4B4B4B

CSS Usage

background-color: #403FDF;
color: #403FDF;
border-color: #403FDF;
Nearest Tailwind: Indigo 600 #4F46E5

Tailwind Shades

50
#F3F3FC
100
#E2E2F8
200
#C2C2F5
300
#9796ED
400
#5E5DE4
500
#2624DB
600
#1E1DAF
700
#18178C
800
#13126D
900
#121150
950
#0B0B32

Contrast Checker

Text on white

7.01:1

AA Pass AAA Pass

Text on black

2.99:1

AA Fail AAA Fail

Related Articles

Tutorials

Building a Color Picker Web Component from Scratch

2月 20, 2026
Tutorials

Web Color Performance: Gradients, Shadows, and Filters

2月 19, 2026
Tutorials

Tailwind CSS Colors: Complete Shade System Guide

2月 19, 2026