Blue-red

This unquiet feeling increases as the hue progresses, and it may be safely assumed, that a carpet of a perfectly pure deep blue-red [translating Blaurot] would be intolerable.

Source: wiktionary

A dye-stuff which dyes wool and silk in acid-bath in fine red-violet tints, dissolves in water with a blue-red color and a yellowish fluorescence, is sparingly soluble in alcohol, insoluble in ether and benzene, […]

Source: wiktionary

Amyl alcohol extracts a blue-red color from material dyed with magenta, but extracts a yellow color from aurin, while from orchil a pink or violet color is obtained.

Source: wiktionary

(V), C₁₄H₉O₃NBr₂, dark crystals with cantharides luster, blackens above 230°, does not m. 310°, sol. in NaOH with blue-red color and very faint fluorescence.

Source: wiktionary