What is a compound word for the blue?

There isn't a single compound word for "the blue," but there are many options depending on what you want to convey. Here are a few ideas:

General:

* Azure: A rich deep blue color

* Cerulean: A light, clear blue color

* Indigo: A deep, dark blue color

* Ultramarine: A vibrant, rich blue color

Specific:

* Sky-blue: The color of the sky

* Ocean-blue: The color of the ocean

* Sapphire-blue: The color of a sapphire gemstone

Figurative:

* Bluebell-blue: A delicate, pastel blue color

* Cobalt-blue: A strong, metallic blue color

Emotional:

* Blues: A feeling of sadness or melancholy

* Blue-collar: Referring to manual labor or working-class people

Other:

* Blueprints: Architectural or engineering plans

* Blue-chip: A high-quality and reliable company

* Blue ribbon: A symbol of excellence or victory

Ultimately, the best compound word depends on the context and the specific shade of blue you are trying to describe.