#403F92

#403F92

Color Values

HEX

#403F92

RGB

64, 63, 146

HSL

240.7, 39.7%, 41.0%

HSV

240.7, 56.8%, 57.3%

CMYK

56.2%, 56.8%, 0.0%, 42.7%

OKLCH

0.4167 0.1332 279.5

Properties

Cool Dark Nearest: slateblue 4

Color Harmonies

Complementary

#403F92

#91923F

Analogous

#3F6892

#6A3F92

#403F92

Triadic

#403F92

#92403F

#3F9240

Split Complementary

#403F92

#926A3F

#68923F

Tetradic

#403F92

#923F68

#91923F

#3F926A

Color Blindness Simulation

Original

#403F92

Protanopia

#40407E

Deuteranopia

#404079

Tritanopia

#406E6B

Achromatopsia

#454545

CSS Usage

background-color: #403F92;
color: #403F92;
border-color: #403F92;
Nearest Tailwind: Blue 900 #1E3A8A

Tailwind Shades

50
#F5F5FA
100
#E7E7F3
200
#CDCDE9
300
#AAAADA
400
#7C7BC6
500
#4E4DB2
600
#3E3E8E
700
#323172
800
#272659
900
#201F42
950
#14142A

Contrast Checker

Text on white

8.96:1

AA Pass AAA Pass

Text on black

2.34:1

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