...
Not sure what you mean unless you are alluding to the gays use of the color?
As an artist, I would call it "cobalt violet light."
Lavender would be more
..
..
In any case, as an artist and ole great grandmother, I'm to old to tacitly concede ownership of any color - or the rainbow - to the ownership of any entity. Let 'em get a copyright.
Otherwise, I do not recognize their ownership of any color.
I do hope this answers any "?"