A room can create a good or bad impression to the people who see it from the interior color formed. It is said by John Ruskin, a 19th century writer and critic, that color is one of the most sacred elements in all visual things. Colors give meaning and message in symbolizing the thing visually attached. It can be seen that clothes, furniture, interior, car color has its own meaning depends on the color picked.Related to home living, there is one of the most popular colors on earth which is called blue. Blue color provides different effect or impression to the interior. Basically, blue is common color for male or bachelor interior color design living space since it tends to provide calmness feeling and mind. It is often depicted as peace, secure and discipline. Light blue color seems to expand space and brings healing mood. Usually a place for handling someone who is suffering from pain such as, rehab or hospital, makes light blue as wall and clothes color. Results of research indicated that the use of blue for the office space will bring a positive influence on employee productivity. But it has to be considered that this third primary color has opposite effect in interior if it is incorrectly applied. It could create a dull, cold, and ignorance feeling if blue as dominant color in the living space. In a nutshell, the harmonious color scheme of living is mixed up from the furniture, interior, accessories, and the wall painting. Blue is applicable for the rug or sofa mattress if you don’t want to change the wall color or put small blue accessories like vase, bottle or ornament at your space.