Symbolism of the Color Blue
Blue has a wide spectrum, ranging from light, or powder, blue to dark, or navy, blue. Both the sea and the sky are symbolic of vastness, infinity, and the experience beyond the grasp of the human condition, both the ultimate and the eternal.  Since blue is tied in with oceanic and celestial symbolism, blue also symbolizes wide, open space and primordial emptiness. 
Symbolism of Light Blue
Symbolism of Dark Blue
Symbolism of Blue Overall
In modern psychology, blue is linked with decreased blood pressure and respiration rate; it produces a calming effect.  Jung identified blue as representative of the clear sky during the day, and the color symbolized thinking. 
In Feng Shui, blue is a color of the element water with the passive Yin aspect. It is used for healing, relaxation, peace, trust, and exploration. 
Introspection and dreamlike states are connected with the color blue,  which is one of the reason for Jung's connection of blue to thinking.  Blue can represent the unattainable or inaccessible.  In Iran, blue is the color of heaven, spirituality, and mourning. 
Blue is a common color for sea serpents. Light blue dragons represent the vastness of the sky and flight, while dark blue dragons represent still, deep waters. Blue dragons are highly protective creatures and magical.
Blue Chinese dragons are of the purest azure colors. They are a symbol of the East and are pacifying.
All of the dragon graphics on this page were created by Donna Quinn.