I have two females that people tell me are blue, but i have a feeling that they are cobalts (i know they are hard to come by, but things happen)

s1267.photobucket.com/albums/jj549/hammad40/
there are 2 females, both look a darker shade of blue almost violet, but with flash on with my camera, they look normal blue
here is a video clip from youtube that shows cobalt ringnecks (not mine)
http://www.youtube.com/watch?v=chgb6NODiho
i see resemblance in them and my birds, but last time i asked the same question, i was told that they are blues
let me know guys