There are TONS of shoe websites out there! If you google (I google everything lol) cobalt blue shoes it'll take you to some different shoe websites! Great way to find shoes in a colour or style you just can't find!
BUT since I am obsessed with shoes (we have a closet in our house JUST for my shoes... it's a sickness really!)
http://www.dsw.com/s...oductRef=SEARCH -comes in cobalt!!!
http://www.dsw.com/s...oductRef=SEARCH - the sling back!
Also check out ninashoes.com they have "design your own"
Hope these help! There are lots more out there!!