Dark Shade at U+2593 is a dense rectangular shading character used to fill a cell with a heavy stippled block rather than a solid square. It belongs to the Block Elements Unicode block, a set of text characters designed for bars, boxes, raster-style drawings, and terminal graphics. Its most familiar use is in plain-text interfaces, where it helps make shaded panels, progress bars, selection areas, and simple diagrams without relying on images. In console art and bulletin-board-style layouts, it often represents the darkest tone in a small palette, paired with light and medium shade characters to suggest gradients, shadows, or texture. It also appears in technical text mockups and monospace diagrams when authors need a visibly dark fill that still leaves a patterned distinction from a full block. Because the character occupies a text cell, alignment depends on a font with consistent block-element metrics; in proportional or incomplete fonts it may look uneven or fall back to a substitute glyph.
In extended ASCII: byte 178 in DOS (Alt+178)