Coalblack

Coalblack is a descriptive color term that denotes a deep, near-pure black reminiscent of coal. In design and art, coalblack is valued for its richness and high light-absorption, often appearing opaque and dense. Depending on material and lighting, it can reveal subtle undertones—slight blue, green, or brown shifts that become more noticeable on glossy finishes.

The term derives from coal, the black carbon-rich rock, and is usually hyphenated in English usage. It is used across fashion, interiors, and graphic design to signal depth, seriousness, or elegance beyond ordinary black.

In pigments and printing, coal black has historical associations with carbon-based black pigments produced through the combustion of organic materials, including coal or coal tar byproducts. Modern manufacturing uses carbon black pigments that yield a stable, intense black in inks, paints, and plastics.

Perception of coalblack varies with context. In lighting, it can appear as a pure, impenetrable darkness, while on certain materials it may show a hint of cool undertones. It is commonly paired with stark whites for high contrast or with jewel tones for dramatic fashion and interiors.

Related color terms include charcoal, ebony, jet black, and onyx.