blue heart

The blue heart emoji represents a calm and deep love. It's also often used to express friendship or trust.

K-pop fans frequently use it to express their love for their favorite idols. It's a color especially popular among male idol fans.

In Western cultures, the blue heart embodies stability and trust, making it suitable for expressing sincere love or friendship. It's even used as a sign of trust in business relationships.

Recently, it has taken on a special meaning in K-pop fandom culture. BTS fans use the purple heart (Borahae), while other fandoms use hearts that match their group's color, making it a symbol of fandom culture.