ok, I found them

Now my question is, what to plant with them

I found some prettty peachy colored ones on the same site

would blue and peach look good together?

Blue and peach (or yellow or orange) is awesome.

Awesome, thanks!

I have never seen a blue azalea! Where did you find it?

Probably not true blue but a purplish or violet blue.

Oh no, it's not true blue, it like a dark royal purplish blue. It's called Blue Baron.

Oh my, that IS beautiful! So glad I happened upon your post! :)

Blue Baron is a lepidopte rhododendron rather than an azalea. The one usually seen for sale was hybridized by Weston Nurseries in MA by crossing Waltham with the German hybrid gletrschernacht, aka Starry Night. There is apparently an unregistered West coast hybrid of unknown parentage also called Blue Baron.

A couple of cautions about the Weston Nurseries Blue Baron: I have seen it listed and labeled (not by the originators) as hardy through Zone 5. It is not. Even Zone 6a is borderline. It is prone to bark split if it is not protected from winter sun. In my experience, it sets few flower buds and never looks as good in the garden as it does in the heavily fertilized pots at the nursery. Given the parentage, excessive summer heat will very likely be a real problem for this variety. If it's planted in too much shade to protect it from heat, it will set even fewer flower buds. Maybe someone somewhere has a flourishing specimen of Blue Baron in the garden, but I've never seen one. Caveat emptor.