Blue balayage. Love! More More
Blue/Violet Balayage Highlights
I like the blue on the swoop but not on the short hair on the left. At lwast not for me.
Gorgeous navy blue hair from redditor /u/wulffenstein in /r/fancyfollicles
Blue Hair with Purple Peekaboo Highlights
This is also a nice blue colour, this is probably how I would have mine dyed, at the ends and quite naturally but just to add some colour
Teal and darker blue highlights = summer mermaid hair? <3
At last -- beauty salon color experts divulge secrets of coloring hair at home.
Blue hair highlights