A modern color name taken from blue, often suggesting calmness, sky, or water.
Blu is the streamlined, international form of Blue — a color-name that has its roots in the Old French bleu, itself from the Old High German blāo, and before that from Proto-Indo-European roots suggesting brightness and gleaming. As a given name, Blue sits within a long tradition of color names (Violet, Rose, Scarlet, Gray) while standing apart for its cool, sky-and-sea associations. The deliberate removal of the final 'e' in Blu transforms it from a common adjective into something more personal and stylized — closer to its Italian or Portuguese spelling and more at home in an international context.
The color blue carries extraordinary symbolic range across cultures: in Egyptian antiquity, blue lapis lazuli was the color of divinity and the sky-god Amun; in European heraldry, it signified fidelity and truth; in American jazz and blues music, it became the defining color of emotional depth and longing. When Beyoncé and Jay-Z named their daughter Blue Ivy Carter in 2012, they embedded the color deeply into pop-cultural consciousness as a given name — one that felt bold rather than eccentric, a statement of artistic identity. Blu, with its spare spelling, distills that sensibility.
As a name, Blu appeals to parents who want something immediately understood but visually unconventional — familiar in meaning but fresh on paper. It works across genders, pairs beautifully with longer surnames, and belongs to a growing family of monosyllabic nature-adjacent names (Wren, Sage, Fern, Lake) that feel both minimal and full of resonance.