Royal Purple

Q: How do I use #663498 in CSS?

You can use #663498 in CSS with: background-color: #663498; or color: #663498; or as an RGB value: rgb(102, 52, 152). For print design, use CMYK: 33%, 66%, 0%, 40%.

#663498

Royal Purple is a cool medium color with the hex code #663498. This moderately saturated hue can be represented as RGB 102, 52, 152 in digital design or CMYK 33%, 66%, 0%, 40% for print applications. Find matching Pantone color.

Royal Purple color values

HEX: #663498
RGB: 102, 52, 152
HSL: 270°, 49%, 40%
CMYK: 33, 66, 0, 40

Shades & tints

Darker Lighter

About this color

Royal Purple sits at 270° on the color wheel with 49% saturation and 40% lightness, placing it in the blue-violet segment of the spectrum. The moderate 49% saturation gives it enough color presence to register clearly without competing for dominance in a composition. Its mid-range lightness positions it as a mid-tone: neither a background color nor a deep accent, but something in between.

In digital environments, Royal Purple is rendered as rgb(102, 52, 152), where the blue channel is highest at 152, anchoring the color in the cool register. This cool mid-tone is a reliable choice for UI chrome, informational states, and contexts that call for a calm, readable presence.

For print, Royal Purple translates to a CMYK breakdown of 33C 66M 0Y 40K. With a moderate key (40%), this color uses black to deepen the chromatic channels rather than replace them, a profile that typically holds up well in both offset and digital print. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.

Color harmonies

Complementary

Analogous

Triadic

Split-Complementary

How to use Royal Purple

CSS Variable

:root {
  --brand-primary: #663498;
  --brand-primary-rgb: 102, 52, 152;
}

Define as a CSS custom property for consistent theming across your site.

Tailwind Config

colors: {
  brand: '#663498',
}

Add to your Tailwind config to use classes like bg-brand.

Print Design (CMYK)

C: 33%
M: 66%
Y: 0%
K: 40%

Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.

RGB for Screens

rgb(102, 52, 152)
rgba(102, 52, 152, 0.8)

Use RGB notation for compatibility or add alpha channel for transparency.

Brands using similar hue

9 brand s with colors near 270° on the color wheel

Frequently asked questions

What color is #663498?

#663498 is Royal Purple, a cool medium color with RGB values of 102, 52, 152. It has a hue of 270°, 49% saturation, and 40% lightness in the HSL color space.

What is the RGB value of #663498?

The RGB color code for #663498 is rgb(102, 52, 152). This means it contains 102 red, 52 green, and 152 blue in the RGB color model.

Is Royal Purple a warm or cool color?

Royal Purple (#663498) is a cool color with a hue between 120-300° on the color wheel.

How do I use #663498 in CSS?

You can use #663498 in CSS with: background-color: #663498; or color: #663498; or as an RGB value: rgb(102, 52, 152). For print design, use CMYK: 33%, 66%, 0%, 40%.