暗あん赤せき色しょく

あ

ん

せ

き

しょ

く

Meanings

1

noun

A specific color term used in descriptive or technical contexts, such as describing objects, fabrics, or natural phenomena.

darkness, disappear, shade

色color

赤せき色しょく
赤色 is a general term for red, while 暗赤色 specifically refers to a dark shade of red.
暗あん紅こう色しょく
暗紅色 is a near-synonym also meaning dark red or deep crimson, often used interchangeably.

Compound of 暗 (dark) + 赤色 (red color). A straightforward kanji-based formation.