Question

what does the blue black colour indicate​

Answer 1

Explanation:

The same is true for “blue,” which can be the colour of sadness or of peace. Taken together, “black and blue” is an idiom for someone who's been beaten up. Later on, we expect them to be bruised dark purple. “Black and blue” refers to the bruises

Answer 2

Answer:

It forms a colour-Navy Blue

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