1.
deep crimson, scarlet
A rich, deep shade of red. Used to describe colors that are darker and more saturated than ordinary red.
Writing
深 (deep) + 紅 (crimson). Literally "deep crimson." The reading しんく uses on'yomi for both characters.
Usage
A literary and evocative color term often used in descriptive writing, poetry, and product descriptions. More dramatic and specific than simply 赤い (red). Frequently associated with roses, sunsets, and formal attire.