Cool Shades Of Blue Hair Color Ideas. The deep hue is flattering and can give your appearance a modern and fun update. A frosty blue hair shade is perfect to make winter a little more fun or brighten up your summer.

And it makes sense why blue hair is so trendy right now: Pastel pinks, light violets, and fierce reds can be seen all over social media. The deep hue is flattering and can give your appearance a modern and fun update.