Love the purple walls (I can't find the source of this image which is mighty annoying) I love the color scheme but rather in a bedroom or living room. Dark purple walls, gray wainscot, white ceiling and marble gray floor. Metal or silver details.
A Bold Balance - Decorate with Purples and Pinks - Southernliving. Balance a strong color, such as this deep plum shade, with natural woods, lighter shades of fabric and artwork. Paint: Expressive Plum by Sherwin-Williams
Plum door color (SW 6832 impulsive purple, SW 6558 Plummary) with moody dark gray green (FB calke green 92 or SW 6446 Arugala or SW 6453 Cilantro) and thick off white trim (SW 7103 Whitetail, FB Pointing SW 7004 Snowbound)