Rebecca Purple
rebeccapurple · #663399
HEX
#663399
RGB
rgb(102, 51, 153)
CMYK
cmyk(33%, 67%, 0%, 40%)
HSL
hsl(270, 50%, 40%)
LAB
lab(32.9, 42.9, -47.1)
What is Rebecca Purple?
Rebecca Purple is the rebeccapurple reference in the CSS Named Colors. Its sRGB value is #663399 (rgb 102, 51, 153). It sits in the purple family. The 147 named colors defined by the W3C CSS Color Module Level 4 specification — usable directly in CSS as keywords like 'crimson' or 'rebeccapurple'. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Rebecca Purple as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Rebecca Purple
An 11-step tonal scale derived from Rebecca Purple (#663399). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#F3EFF7
#F3EFF7
100
#E7DEEF
#E7DEEF
200
#CEBEDE
#CEBEDE
300
#B399CC
#B399CC
400
#8C66B3
#8C66B3
500
#663399
#663399
600
#572B82
#572B82
700
#422163
#422163
800
#2E1745
#2E1745
900
#1A0D26
#1A0D26
950
#0C0612
#0C0612
Lighter tints (mixed with white)
15%
#8C75AE
30%
#A89ABF
45%
#BFB6CF
60%
#D3CDDE
75%
#E5E2EB
Darker shades (mixed with black)
15%
#5E2F8E
30%
#562A82
45%
#4C2574
60%
#411E64
75%
#331650
Color harmonies for Rebecca Purple
Classic color-theory harmonies derived from rotating the hue of Rebecca Purple. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#663399
#663399
#669933
#669933
Triadic
Three colors 120° apart
#663399
#663399
#996633
#996633
#339966
#339966
Analogous
Two neighbors ±30° on the wheel
#333399
#333399
#663399
#663399
#993399
#993399
Split-complementary
Base + two colors flanking its complement
#663399
#663399
#999933
#999933
#339933
#339933
Tetradic
Two complementary pairs
#663399
#663399
#993366
#993366
#669933
#669933
#339966
#339966
Square
Four colors evenly spaced 90° apart
#663399
#663399
#993333
#993333
#669933
#669933
#339999
#339999
Rebecca Purple in every color space
Full conversion of Rebecca Purple across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#663399
RGB
rgb(102, 51, 153)
CMYK
cmyk(33%, 67%, 0%, 40%)
HSL
hsl(270, 50%, 40%)
HSV
hsv(270, 67%, 60%)
HWB
hwb(270 20% 40%)
CIE Lab
lab(32.9 42.9 -47.1)
OKLCH
oklch(44.0% 0.160 303.4)
XYZ (D65)
xyz(12.41, 7.49, 30.92)
Copy-ready code for Rebecca Purple
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #663399;
background-color: #663399;CSS variable
:root {
--color-rebeccapurple: #663399;
}Tailwind config
// tailwind.config.js
colors: {
'rebeccapurple': '#663399',
}Sass
$color-rebeccapurple: #663399;Swift UIColor
UIColor(red: 0.400, green: 0.200, blue: 0.600, alpha: 1.0)Android XML
<color name="rebeccapurple">#663399</color>Closest match in every color system
The nearest Rebecca Purple equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in CSS Named Colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 4005
#6C4675
Blue lilac
RAL 5005
#1E2460
Signal blue
RAL 7011
#434B4D
Iron grey
RAL 4008
#924E7D
Signal violet
RAL 5000
#354D73
Violet blue
RAL 5022
#252850
Night blue
FAQ about Rebecca Purple
What is the HEX code for Rebecca Purple?
Rebecca Purple (rebeccapurple) has the HEX code #663399. In RGB it is rgb(102, 51, 153), and in CMYK it is cmyk(33%, 67%, 0%, 40%).
What is the OKLCH value of Rebecca Purple?
Rebecca Purple converts to oklch(0.440 0.160 303.4). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Rebecca Purple accessible for body text?
Used as a background, Rebecca Purple has a contrast ratio of 2.50:1 with black text and 8.41:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use white text and verify in real UI context.
What is the closest Pantone to Rebecca Purple?
The closest Pantone reference to Rebecca Purple by ΔE2000 perceptual distance is Pantone 266 C (#6F2DA8). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Rebecca Purple?
The closest RAL Classic reference to Rebecca Purple by ΔE2000 distance is RAL 4005 (Blue lilac, #6C4675). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Rebecca Purple?
The complementary color (180° opposite on the HSL color wheel) of Rebecca Purple is #669933. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
CSS Named Colors (CSS Color Module Level 4)
The 147 named colors defined by the W3C CSS Color Module Level 4 specification. Origin: VGA (16) + X11 (rest) + 'rebeccapurple'. Use as a reference for web color names that all browsers natively support. Names like 'crimson' or 'rebeccapurple' work as CSS values without any framework.
- Source type
- derived
- Confidence
- high
- License
- W3C permissive document license
- Last reviewed
- 2026-05-24
Workflow tags
CSS named colors are sRGB digital values defined for browsers. For print, convert to a process-appropriate color and proof against substrate.