Do big blousey dark blue flowers exist?

[Scarlet]

lottie dolly the link doesn't work but have figured it out

Have another go!

[Thelma Sanders]

Not true blue but there's a few clematis' that look lovely.. can't give any varieties sorry!

Yes, I have Perle d'Azur and yes, it's a beautiful sky blue.
http://www.aberdeengardening.co.uk/d...e-d-Azur-4.jpg