Karakurenai
唐紅/韓紅 · Foreign crimson{{efn|"Since magenta, an imported artificial color, also resembled (here also means Korea; means red), people started to call the deep red formerly known as by the new designation (here, however, means China)."}}
Karakurenai is #C91F37, a colour of the red family. This page gives what can be worked out from the value itself.
Nearest named colours
Harmonies
Contrast with text
White text 5.62:1passes AA
Black text 3.73:1large text only
Ratios follow the WCAG 2 formula. 4.5:1 is the usual minimum for body text.
Through colour-blind eyes
Typical vision
Protanopia
Deuteranopia
Tritanopia
No colour
A simulation of how the colour may look with each kind of colour vision. Real vision varies from person to person.
Where this value comes from
Wikipedia: Traditional colors of Japan. A named colour is not a fixed standard, and other sources may give a slightly different value.