Multiple sources emphasise that the blue heart represents “trust,” “loyalty,” and “peace” . Colour psychology backs this up: blue typically signals stability and serenity. What does Blue Heart emoji mean? The Blue Heart emoji depicts a classic representation of a heart, colored blue. It can be used to express love, support, admiration, happiness, and excitement—particularly toward various things that have some relation to the color blue, from the Smurfs to Duke University to autism awareness. The blue heart emoji is a versatile symbol that has a wide range of meanings and applications in today’s digital conversations. Originating from the classic representation of a heart, the blue heart takes on its own unique connotations in different contexts, making it a rather flexible and adaptable emoji to use. The Blue Heart emoji represents trust, loyalty, peace, and calmness. While the Red Heart often symbolizes passion and romance, the Blue Heart conveys a deeper, more stable form of love and support.