Red is associated with fiery heat and warmth. It can also mean danger (burning).
Red is the color of blood, and as such has strong symbolism as life and vitality. It brings focus to the essence of life and living with emphasis on survival. Red is also the color of passion and lust.
Wear a red accent piece when you want to present yourself as bold and dynamic. It can boost your confidence if you are attending a function or interview where you feel unsure of yourself.
If a woman wears a red dress it usually is associated with sex appeal (crystal-cure.com).