He is a true blue conservative party member.

He called me out of the blue.

She wore a beautiful dress in royal blue.

I tried to explain it to him blue in the face but he still didn't understand.

She had a black-and-blue bruise on her arm.

The doctor diagnosed the baby with blue baby syndrome.

I found a blue box in the attic.

I love the strong and tangy flavor of blue cheese.

I watched a blue film last night.

I saw a beautiful blue gum tree in the park.