#663399
No brand we cover mixes #663399 exactly. RAL Effect RAL 570-M (RAL 570-M) comes closest, at a ΔE of 25.9 — very different colors. Also known as the standard web color "rebeccapurple." Below, the closest equivalent from every brand we cover, ranked by ΔE — the same perceptual color-difference score used throughout the site.
#663399
Color codes
HEX#663399
RGB102, 51, 153
HSL270° 50% 40%
CMYK33 67 0 40
CIE LabL: 32.9 a: 42.9 b: -47.1
XYZX: 0.12 Y: 0.07 Z: 0.31
Closest match across every brand
Ranked by ΔE — a perceptual color difference score calculated from Lab color space values. Lower is closer.
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