#663D71

#663D71

Color Values

HEX

#663D71

RGB

102, 61, 113

HSL

287.3, 29.9%, 34.1%

HSV

287.3, 46.0%, 44.3%

CMYK

9.7%, 46.0%, 0.0%, 55.7%

OKLCH

0.4302 0.0959 318.9

Properties

Cool Dark Nearest: RAL 4005 Blue Lilac

Color Harmonies

Complementary

#663D71

#48713D

Analogous

#4C3D71

#713D62

#663D71

Triadic

#663D71

#71663D

#3D7166

Split Complementary

#663D71

#62713D

#3D714C

Tetradic

#663D71

#714C3D

#48713D

#3D6271

Color Blindness Simulation

Original

#663D71

Protanopia

#545464

Deuteranopia

#575A61

Tritanopia

#645A58

Achromatopsia

#494949

CSS Usage

background-color: #663D71;
color: #663D71;
border-color: #663D71;
Nearest Tailwind: Fuchsia 950 #4A044E

Tailwind Shades

50
#F8F5F9
100
#F0E9F2
200
#E1D1E6
300
#CCB0D4
400
#B184BD
500
#9559A6
600
#784884
700
#60396A
800
#4B2D53
900
#38233D
950
#231627

Contrast Checker

Text on white

8.5:1

AA Pass AAA Pass

Text on black

2.47:1

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