Use a blue light for measles, chicken pox and mumps. Blue solarized water can cool a high temperature. Thursday is Jupiter's day and the color is Blue. Indigo relates to the sixth energy center - the brow chakra. This contains the sense organs - nose, ears and eyes.
Indigo is also concerned with the refinement of the senses - the extra sensory.
The sixth chakra is the sixth sense or third eye and it is located in the middle of the forehead. Indigo is the door through to the unconscious. The bridge which links the two hemispheres of the brain is also in the indigo area thus making it an empowering agent for those of an intuitive or creative nature. Indigo is associated with meditation and mysticism. Indigo brings deep healing through all the senses.