#include <Color.au3>

Local $aColor[3] = [0x80, 0x90, 0xff]

Local $nColor = _ColorSetCOLORREF($aColor)
MsgBox(4096, "Сообщение", _
		"Красный=" & Hex($aColor[0], 2) & @LF & _
		"Зелёный=" & Hex($aColor[1], 2) & @LF & _
		"Синий    =" & Hex($aColor[2], 2) & @LF & _
		"ColorREF=" & Hex($nColor))