#403D73

#403D73

Color Values

HEX

#403D73

RGB

64, 61, 115

HSL

243.3, 30.7%, 34.5%

HSV

243.3, 47.0%, 45.1%

CMYK

44.3%, 47.0%, 0.0%, 54.9%

OKLCH

0.3905 0.0897 284.0

Properties

Cool Dark Nearest: RAL 5017 Traffic Blue

Color Harmonies

Complementary

#403D73

#70733D

Analogous

#3D5573

#5B3D73

#403D73

Triadic

#403D73

#73403D

#3D7340

Split Complementary

#403D73

#735B3D

#55733D

Tetradic

#403D73

#733D55

#70733D

#3D735B

Color Blindness Simulation

Original

#403D73

Protanopia

#3F3F66

Deuteranopia

#3F3F63

Tritanopia

#405C59

Achromatopsia

#424242

CSS Usage

background-color: #403D73;
color: #403D73;
border-color: #403D73;
Nearest Tailwind: Blue 950 #172554

Tailwind Shades

50
#F6F5F9
100
#E9E8F2
200
#D2D0E6
300
#B1AFD5
400
#8784BE
500
#5D58A7
600
#4A4785
700
#3B396B
800
#2E2C53
900
#25233E
950
#171627

Contrast Checker

Text on white

9.85:1

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