#403CB0

#403CB0

Color Values

HEX

#403CB0

RGB

64, 60, 176

HSL

242.1, 49.2%, 46.3%

HSV

242.1, 65.9%, 69.0%

CMYK

63.6%, 65.9%, 0.0%, 31.0%

OKLCH

0.4364 0.1782 277.6

Properties

Cool Dark Nearest: NCS S 2050-R70B Violet

Color Harmonies

Complementary

#403CB0

#ACB03C

Analogous

#3C72B0

#7A3CB0

#403CB0

Triadic

#403CB0

#B0403C

#3CB040

Split Complementary

#403CB0

#B07A3C

#72B03C

Tetradic

#403CB0

#B03C72

#ACB03C

#3CB07A

Color Blindness Simulation

Original

#403CB0

Protanopia

#3E3E94

Deuteranopia

#3E3F8D

Tritanopia

#407E79

Achromatopsia

#454545

CSS Usage

background-color: #403CB0;
color: #403CB0;
border-color: #403CB0;
Nearest Tailwind: Indigo 800 #3730A3

Tailwind Shades

50
#F4F4FB
100
#E6E6F5
200
#CBCAED
300
#A6A4E0
400
#7572CF
500
#4541BE
600
#373498
700
#2C297A
800
#23205F
900
#1C1B46
950
#12112C

Contrast Checker

Text on white

8.43:1

AA Pass AAA Pass

Text on black

2.49:1

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