#664CD4 Hex Color

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Hex color #664cd4 graphic
#664cd4 is a saturated, cool violet-purple with strong blue undertones and a bold, energetic presence. It brings intensity and creative focus to calls to action, gaming interfaces, luxury accents, and spiritual branding. Use it as a small accent against charcoal or deep navy, since its high saturation can overpower broad backgrounds. The hex code is #664cd4, and white text reaches about 5.9:1 contrast for accessible body copy.

Questions about #664cd4

What is #664cd4 in RGB, HSL and CMYK?
In RGB, #664cd4 is rgb(102, 76, 212), in HSL hsl(251, 61%, 56%) and in CMYK 52%, 64%, 0%, 17%. Browse more shades of purple with names and hex codes.
What colors pair well with #664cd4?
#664cd4 pairs well with charcoal, deep navy, and soft neutrals, which give its saturated violet tone room to stand out; pale lavender or a restrained yellow accent can add contrast without making the palette feel chaotic.
Is #664cd4 warm or cool?
#664cd4 reads as a cool violet-purple because its blue undertones outweigh the warmth of its red component, giving it an energetic, focused mood that suits digital accents, calls to action, gaming interfaces, and spiritual or creative branding.
Is #664cd4 readable on white or black?
#664cd4 has a 5.91:1 contrast ratio on white and 3.54:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.