Vampire queen in cobalt velvet with glowing violet eyes

(Masterpiece), professional dark illustration. A regal vampire queen with skin like polished white pearl. She wears an open-front gown of cobalt blue velvet lined with shimmering old gold embroidery. Her gaze is hypnotic, with eyes of electric violet. She leans against a cold marble pillar, holding a silver chalice where a dark, viscous liquid reflects a violet glow. Atmosphere of silent, predatory elegance. Palette: Cobalt Blue, Old Gold, White Pearl, Electric Violet.