Blue is calming. It can be strong and steadfast or light and friendly. Almost everyone likes some shade of the color blue.
A deep royal blue or azure conveys richness and perhaps even a touch of superiority.

Other words of blue:
Sapphire, azure, beryl, cerulean, cobalt, indigo, navy, royal, sky blue, baby blue, robin's egg blue, cyan, cornflower blue, midnight blue, slate, steel blue, Prussian blue.

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