#403CBB

#403CBB

Color Values

HEX

#403CBB

RGB

64, 60, 187

HSL

241.9, 51.4%, 48.4%

HSV

241.9, 67.9%, 73.3%

CMYK

65.8%, 67.9%, 0.0%, 26.7%

OKLCH

0.4464 0.1924 276.6

Properties

Cool Dark Nearest: Purple Heart

Color Harmonies

Complementary

#403CBB

#B7BB3C

Analogous

#3C77BB

#7F3CBB

#403CBB

Triadic

#403CBB

#BB403C

#3CBB40

Split Complementary

#403CBB

#BB7F3C

#77BB3C

Tetradic

#403CBB

#BB3C77

#B7BB3C

#3CBB7F

Color Blindness Simulation

Original

#403CBB

Protanopia

#3E3E9C

Deuteranopia

#3E3F95

Tritanopia

#40847F

Achromatopsia

#464646

CSS Usage

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

Tailwind Shades

50
#F4F4FB
100
#E6E5F5
200
#CAC9EE
300
#A4A2E1
400
#7370D1
500
#423EC1
600
#35329A
700
#2A287C
800
#211F61
900
#1B1A47
950
#11102D

Contrast Checker

Text on white

8.13:1

AA Pass AAA Pass

Text on black

2.58:1

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