#403590

#403590

Color Values

HEX

#403590

RGB

64, 53, 144

HSL

247.3, 46.2%, 38.6%

HSV

247.3, 63.2%, 56.5%

CMYK

55.6%, 63.2%, 0.0%, 43.5%

OKLCH

0.3967 0.1442 283.1

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#403590

#859035

Analogous

#355790

#6D3590

#403590

Triadic

#403590

#904035

#359040

Split Complementary

#403590

#906D35

#579035

Tetradic

#403590

#903557

#859035

#35906D

Color Blindness Simulation

Original

#403590

Protanopia

#3B3B7A

Deuteranopia

#3C3D75

Tritanopia

#3F6965

Achromatopsia

#3E3E3E

CSS Usage

background-color: #403590;
color: #403590;
border-color: #403590;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F5F4FA
100
#E8E6F4
200
#CFCBEC
300
#ACA6DE
400
#8075CC
500
#5345BA
600
#423795
700
#352C77
800
#29225D
900
#211C45
950
#15122B

Contrast Checker

Text on white

9.86:1

AA Pass AAA Pass

Text on black

2.13:1

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