#403FD3

#403FD3

Color Values

HEX

#403FD3

RGB

64, 63, 211

HSL

240,4, 62,7%, 53,7%

HSV

240,4, 70,1%, 82,7%

CMYK

69,7%, 70,1%, 0,0%, 17,3%

OKLCH

0,4737 0,219 274,4

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#403FD3

#D2D33F

Analogous

#3F88D3

#8A3FD3

#403FD3

Triadic

#403FD3

#D3403F

#3FD340

Split Complementary

#403FD3

#D38A3F

#88D33F

Tetradic

#403FD3

#D33F88

#D2D33F

#3FD38A

Color Blindness Simulation

Original

#403FD3

Protanopia

#4040AF

Deuteranopia

#4040A7

Tritanopia

#40938D

Achromatopsia

#4A4A4A

CSS Usage

background-color: #403FD3;
color: #403FD3;
border-color: #403FD3;
Nearest Tailwind: Indigo 700 #4338CA

Tailwind Shades

50
#F3F3FB
100
#E4E4F7
200
#C5C5F2
300
#9C9BE8
400
#6665DC
500
#3130CF
600
#2726A6
700
#1F1E85
800
#181868
900
#15154C
950
#0E0D30

Contrast Checker

Text on white

7,32:1

AA Pass AAA Pass

Text on black

2,87:1

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