Uses of Blue

• In ancient Rome, public servants wore blue. Today, police and other public servants wear blue.
• In Iran, blue is the color of mourning.
• Blue was used as protection against witches, who supposedly dislike the color.
• Blue stands for love, which is why a bride carries or wears something blue on her wedding day.
• Something “out of the blue” is from an unknown source at an unexpected time.
• A bluebook is a list of socially prominent people.
• A “bluestocking” used to be a scholarly or highly knowledgeable woman.
• The pharaohs of ancient Egypt wore blue for protection against evil.
• “Blue laws” are used to enforce moral standards.
• A blue ribbon panel is a group of especially qualified people.