Dictionary.com
Thesaurus.com

blue-black

American  
[bloo-blak] / ˈbluˈblæk /

adjective

  1. black with bluish highlights.


Other Word Forms

  • blue-blackness noun

Etymology

Origin of blue-black

First recorded in 1815–25

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Inspired by a 2016 true-crime story, Sing L. Lee’s strong debut “The Accidental Getaway Driver” is a human-sized thriller set across several blue-black nights off the grid in Orange County.

From Los Angeles Times • Mar. 1, 2025

At this moment, the sky will turn from light blue to dark blue-black, and you will be able to suddenly see a few stars in the sky along with the planet Mercury.

From Salon • Apr. 27, 2023

The etching is done with a mixture of ultramarine blue and soft black ink, which creates the blue-black color of the trunk and leaf outlines.

From Seattle Times • Nov. 18, 2022

So back to the GP I went - who was adamant the growing blue-black lesion on my head was a fungus that would go away on its own.

From BBC • Aug. 11, 2022

Her clan-tattoos -three fine blue-black bars on her cheekbones -showed clearly on her pale skin, giving her a sharp, mistrustful look.

From "Wolf Brother" by Michelle Paver