Ruby is a shade of the colour red or pink.
Red.
A ruby is a rare precious stone of purplish red colour.
Ruby - red
Deep red to burdgundy
The gemstone commonly called ruby is red. The colour can vary from pale to very dark red. A Corundum -the technical name for ruby- of any other colour is called a sapphire.
Red, ruby.
red
The egg color of a Siberian Ruby-throated Hummingbird is white.
There is no specific gemstone called a "bloods ruby." It is likely a colloquial or descriptive term used to refer to a ruby gemstone that has a deep red color reminiscent of blood. Rubies are valued for their rich red hue and rarity.
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brown