Dhiraagu used blue as its corporate colour since it began operation in 1988.

In 1997, Nike decided on a simpler design using just blue and white.

Written materials had to be in black, and they had used blue.

In the following game, the first of the two players is using red, and the second is using blue.

They will also use blue for rivers, lakes, or other bodies of water.

An example would be using blue and yellow as the two end points.

There are other Avalon plants and animals that use blue to signal poison.

French national teams in all sports will normally use blue as their main colour.

In 1926, the club started using red and blue as official colours.

Firefighters wear yellow helmets, while senior officers use blue.