I need to make cornflower blue icing and I don't know what colors to mix together to get it...does anyone know ?

Wilton sells a cornflower blue color.

LOL..the Wilton color is exactly what I thought too. Although, if you don't have it on hand, I think if you use a tiny bit of royal blue, a teeny teeny bit of purple and an even smaller amount of black, you may be on target. Not sure...just sounds like it would work to me...but I have the cornflower color, so who knows. Good luck!