Sapphire and Ultramarine

Sapphire adjective - Of something having the color of a blue sapphire.

Ultramarine and sapphire are semantically related in sky topic. In some cases you can use "Ultramarine" instead an adjective "Sapphire".

Ultramarine adjective - Of a brilliant pure blue to purplish blue color.

Sapphire and ultramarine are semantically related in sky topic. You can use "Sapphire" instead an adjective "Ultramarine".