This shade typically results from high concentrations of eumelanin, specifically the brown-black type, within the hair shaft. It presents as a rich, deep brown, often appearing almost black in certain lighting conditions, without artificial enhancement. Genetically determined, this hue is commonly observed in individuals of diverse ethnic backgrounds.
Universally recognized as a classic hair color, this deep shade often conveys an impression of youthfulness and health. It requires less maintenance compared to lighter or artificially colored hair, as graying is less noticeable against the darker background. Historically, across various cultures, dark hair has been associated with strength, vitality, and wisdom.