Rebecca Purple sits in the violet / purple family, with the hex code #663399 mapping to rgb(102, 51, 153) in RGB and hsl(270, 50%, 40%) in HSL. In OKLCH it carries 44% perceptual lightness and 0.160 chroma — a highly saturated, dark reading that behaves well as a primary, accent or decisive colour in modern interfaces. Violet historically required the most expensive dyes, which is why it still carries associations with luxury, royalty and creativity. In modern UI it has become the signature of imaginative, "premium" tech — the colour brands choose when blue feels too utilitarian.
Violet historically required the most expensive dyes, which is why it still carries associations with luxury, royalty and creativity. In modern UI it has become the signature of imaginative, "premium" tech — the colour brands choose when blue feels too utilitarian.
Deep violets render almost identically to navy on small screens — keep at least 0.10 chroma in OKLCH or it will collapse to "dark blue" in users' minds.
#663399rgb(102, 51, 153)hsl(270, 50%, 40%)hsv(270, 66.7%, 60%)lch(32.39% 61.24 308.86)oklch(44.03% 0.1603 303.37)lab(32.39% 38.42 -47.69):root {
--color: #663399;
--color-rgb: rgb(102, 51, 153);
--color-hsl: hsl(270, 50%, 40%);
--color-oklch: oklch(44.03% 0.1603 303.37);
}How rebecca purple performs as foreground text on common surfaces, scored with WCAG 2.1.
Tints are produced by mixing rebecca purple with progressively more white.
Shades are produced by mixing rebecca purple with progressively more black.
Tones are produced by mixing rebecca purple with progressively more gray, lowering chroma while keeping lightness.