Blood red and Ruby-red

Ruby-red and blood red are semantically related. In some cases you can use "Ruby-red" instead an adjective phrase "Blood red".

Ruby-red adjective - Of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies.

Blood red and ruby-red are semantically related. Sometimes you can replace phrase "Blood red" with "Ruby-red", this phrases are similar.