You could replace that darkest gray with the deep purple you like for a color scheme! Purple, yellows and gray.
All things Paper
Purple Bathroom - decorating with purple, turquoise and gray. A great color combination! theblueeyeddove.com
Majestic Tile Indigo with Gray Embossed Vine Minky Blanket, Purple, Gray, Turquoise - Baby Blanket, Shower Gift