Rebecca Purple (#663399)

The hex code for Rebecca Purple is #663399. It is rgb(102, 51, 153) in RGB, hsl(270, 50%, 40%) in HSL, and about cmyk(33%, 67%, 0%, 40%) in CMYK — a mid-tone purple. White text is the more readable choice on this background.

#663399

HEX#663399

RGBrgb(102, 51, 153)

HSLhsl(270, 50%, 40%)

HSVhsv(270, 67%, 60%)

CMYKcmyk(33%, 67%, 0%, 40%)

OKLCHoklch(44% 0.16 303.4)

LABlab(32.39% 38.42 -47.69)

LCHlch(32.39% 61.24 308.86)

Colors Closest to Rebecca Purple

Rebecca Purple is a registered color name. These are the named colors nearest to it, measured as CIE76 distance in CIELAB — a perceptual scale, so the ordering matches what the eye sees rather than how close the raw RGB numbers happen to sit.

Purple Heart#69359CΔE 1.07 KSU Purple#512888ΔE 6.94 Spanish Violet#4C2882ΔE 9.57 Grape#6F2DA8ΔE 10.72 Plump Purple#5946B2ΔE 12.34 Eminence#6C3082ΔE 12.64

Browse the full index of named colors A-Z or every purple in the library.

#663399 Channel Values

How Rebecca Purple breaks down in each color model. Hue is measured in degrees around the color wheel; saturation, lightness, and the CMYK inks are percentages.

Model	Channels	Notes
RGB	R 102 · G 51 · B 153	8-bit channels as sent to the display
HSL	H 270° · S 50% · L 40%	Easiest model for building lighter and darker variants
HSV	H 270° · S 67% · V 60%	Matches the picker in most design tools
CMYK	C 33% · M 67% · Y 0% · K 40%	Approximate ink mix; confirm with an ICC profile before printing
Luminance	8.41:1 vs white · 2.5:1 vs black	WCAG 2.2 relative-luminance contrast ratios

Text Contrast & Accessibility

WCAG 2.2 contrast ratios for text on a Rebecca Purple background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1. Contrast is one check, not a full accessibility review.

TextWhite text8.41:1AA normal AA large AAA normal

Fails AABlack text2.5:1AA normal AA large AAA normal

Need a specific ratio against another background? Open #663399 in the contrast checker.

Colors That Go With Rebecca Purple

Pairings derived from color-wheel relationships. The complementary color sits opposite Rebecca Purple; analogous colors sit beside it; triadic and split-complementary sets spread evenly around the wheel. Select any swatch for its own breakdown.

Base

Complementary

Analogous

Analogous

Triadic

Triadic

Split comp.

Split comp.

Tints & Shades of Rebecca Purple

Lighter tints and darker shades built by moving the lightness channel while holding hue and saturation, which is what you want for hover states, backgrounds, and text variants.

Tints

Shades

Want a full 50-950 ramp with semantic roles? Generate design tokens from #663399.

How Rebecca Purple Looks with Color Vision Deficiency

Simulated with the Viénot, Brettel & Mollon LMS projection model. Anomalous types are rendered as partial versions of the matching dichromacy, which is an approximation rather than a per-person clinical model.

Typical#663399

Protanopia#3F3F99

Protanomaly#513B99

Deuteranopia#494998

Deuteranomaly#564199

Tritanopia#584A4A

Tritanomaly#5E4272

Achromatopsia#4D4D4D

Test a full palette in the color blindness simulator.

Using #663399 in Code

Copy-ready declarations for the places this color usually ends up.

CSS custom property--rebecca-purple: #663399;

CSS backgroundbackground-color: #663399;

Tailwind configcolors: { 'rebecca-purple': '#663399' }

SwiftUIColor(red: 0.400, green: 0.200, blue: 0.600)

Android XML<color name="rebecca_purple">#663399</color>

SVG fillfill="#663399"

More Purple Colors

Rebecca Purple sits in the purple family. These are its neighbours across that family's full range, each with its own breakdown.

6633cc 6618af 6633ff 6600ff 6800b3 6600cc 69359c 660099 6b0099 6231c4 6c3082 602f6b 784bd2 8b72be 9933cc a679d2 b666d2 c94dff d69ae5 e6d9f2 0e001a 300052 402060 541490

#663399 Frequently Asked Questions

What is the hex code for Rebecca Purple?

The hex code for Rebecca Purple is #663399. That is rgb(102, 51, 153) in RGB, hsl(270, 50%, 40%) in HSL, and approximately cmyk(33%, 67%, 0%, 40%) in CMYK.

What is the RGB value of #663399?

#663399 is rgb(102, 51, 153) — red 102, green 51, and blue 153 on the 0-255 scale.

What is the CMYK value of #663399?

#663399 converts to approximately cmyk(33%, 67%, 0%, 40%). CMYK output is a mathematical approximation for planning; confirm production print colors with your printer and ICC profile.

Should text on #663399 be black or white?

White text is the more readable choice. #663399 scores 8.41:1 against white and 2.5:1 against black, and WCAG 2.2 asks for at least 4.5:1 for normal body text.

Is RebeccaPurple a CSS named color?

Yes. RebeccaPurple is one of the CSS named colors, so you can write color: rebeccapurple instead of the hex code.

Open Rebecca Purple in a Tool

Hex to RGB Hex to HSL Hex to CMYK Hex to OKLCH Hex to Pantone Build a palette Make a gradient

Keep exploring: every purple in the color library, the guide to shades of purple, or the full color library.