blue-black

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blue-black

(blo͞o′blăk′)
adj.
Very dark blue.

blue-black

adj
(Colours) of a colour between blue and black
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.blue-black - of black tinged with blue
achromatic, neutral - having no hue; "neutral colors like black or white"
References in periodicals archive ?
You wrote a lot of inconsequential prattle with the now nearly extinct fountain pen, fuelled with Quink or Stephen's blue-black ink, posted it off, and waited for a package of similar bilge by return.
I've received a handwritten letter and it is written in real blue-black ink.