What color is Veigar's fur?

Fanart most commonly depicts him with a blue coat but a head of white hair. https://pbs.twimg.com/media/DUFutMHWkAUVeWj.jpg But also occasionally with simple full black fur. And Omega Veigar has black ears. https://i.ytimg.com/vi/DtK7-SwQY0s/maxresdefault.jpg But that's a skin and skins arent always accurate to base appearance. So what color is his fur?
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