I first came across blue ternate or butterfly pea tea when I was living in Taiwan. I found it a bit tasteless on it's owne, but liked the novelty of it, it was very pretty.
I see you have just joined Hive, so welcome. When you have time, I would recommend you adding a profile picture and header to your post to make it more professional. I have a post pinned to my blog on tips for newbies. It will help you.