#66429B

#66429B

Color Values

HEX

#66429B

RGB

102, 66, 155

HSL

264.3, 40.3%, 43.3%

HSV

264.3, 57.4%, 60.8%

CMYK

34.2%, 57.4%, 0.0%, 39.2%

OKLCH

0.4644 0.1404 299.6

Properties

Cool Dark Nearest: Royal Purple

Color Harmonies

Complementary

#66429B

#779B42

Analogous

#424A9B

#92429B

#66429B

Triadic

#66429B

#9B6642

#429B66

Split Complementary

#66429B

#9B9242

#4A9B42

Tetradic

#66429B

#9B424A

#779B42

#429B92

Color Blindness Simulation

Original

#66429B

Protanopia

#565685

Deuteranopia

#585B80

Tritanopia

#647471

Achromatopsia

#505050

CSS Usage

background-color: #66429B;
color: #66429B;
border-color: #66429B;
Nearest Tailwind: Indigo 900 #312E81

Tailwind Shades

50
#F7F5FA
100
#ECE7F3
200
#D9CDEA
300
#BDA9DA
400
#997BC7
500
#764CB3
600
#5E3D8F
700
#4B3172
800
#3B2659
900
#2D1F42
950
#1C142A

Contrast Checker

Text on white

7.45:1

AA Pass AAA Pass

Text on black

2.82:1

AA Fail AAA Fail

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026