That explains why it flew round and round with one of the regular skippers (orange/yellow/brown) for a few seconds. The "normal" skippers often do that among themselves, in twos and threes, and bigger butterflies don't join them. I never would have thought it was a skipper. It rested with its wings flat, and it was the wrong color.

I guess its blue coat identifies it as male.

At least that's the experience of one contributor who posted recently, plus yours truly. I'm not sure about gender, but a photo I just checked showed both with a blue coat, but the male's was lighter per your specimen.