The more pictures I look at, they seem to be a dark, yet bright blue. They are almost a Navy Blue, but there is a particular bright quality about it.

This is as close as I could come to what I remember from way back when, when they were fresh shopped.
It's the same problem with the different shades of Armour Yellow on U.P. In some pics they look a little orange in the yellow, but I noticed those old photos were themselves changing tint with age.

