#640DDD Hex Color

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Hex color #640ddd graphic
Close to the glow of a blacklight, #640ddd is a bold, saturated violet with a cool, electric edge. Its darkness keeps white text readable at about 7.9:1 contrast, enough for small body type. It works best as a 10% accent for buttons, highlights, and gaming or creative branding. Across full backgrounds it turns loud fast, so pair it with muted grays or warm ambers to keep it in check.

Questions about #640ddd

What is #640ddd in RGB, HSL and CMYK?
In RGB, #640ddd is rgb(100, 13, 221), in HSL hsl(265, 89%, 46%) and in CMYK 55%, 94%, 0%, 13%.
What colors pair well with #640ddd?
Warm ambers and sharp greens push back against its cool violet base, while charcoal keeps it grounded in dark interfaces. Avoid bright blues in the same palette, since they flatten its punch.
Is #640ddd readable on white or black?
#640ddd has a 7.94:1 contrast ratio on white and 2.64:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.