It is often associated with depth and stability. It symbolizes trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven. Blue is considered beneficial to the mind and body. It slows human metabolism and produces a calming effect.
Blue is a primary color across all models of colour space. It is the color of the ocean and the sky. Often symbolizing serenity, stability, inspiration, or wisdom. It can be a calming color, and symbolize reliability.