- Keywords -
Refreshing, cool, imaginative, knowledge, health, decisiveness, Loyal, tactful, affectionate, inspiring, inventive, caring, and cautious.

- Chakra -
The Throat Chakra is governed by the blue energy.

- Psychologically -
It causes the opposite reaction as red. Peaceful, tranquil blue causes the body to produce calming chemicals, so it is often used in bedrooms.

This is a mentally-relaxing color. Blue has a pacifying effect on the nervous system and brings great relaxation. Ideal for sleep problems, and hyper-active children.

Connects us to holistic thought, and gives us wisdom and clarity enhancing communication and speech.

People are more productive in blue rooms. Studies show weightlifters are able to handle heavier weights in blue gyms.

- Physically -
Blue rays increase metabolism and build vitality.
Blue rays promote growth.
Blue rays slow the action of the heart and are therefore good for tachycardia. Blue has antiseptic properties and is bactericidal.
Blue contracts the arteries, veins, and capillaries and thereby raises the blood pressure.
Blue is anti-carcinogenic.
Blue is cooling, soothing, and astringent, and reduces nervous excitement.

- Precaution -
Psychologically, blue is the color for relaxing the mind. However, after ten minutes of treatment with blue rays, most people tire and begin to feel depressed. Blue can also be cold and depressing.

Use blue with Red or Orange to balance.