Black

# 000000

Midnight

# 001428

Blue Charcoal

is a very saturated very dark cold azure

Blue is a cool calming color that shows creativity and intelligence. It is a popular color among large corporations, hospitals and airlines. It is a color of loyalty, strength, wisdom and trust. Blue has a calming effect on the psyche. Blue is the color of the sky and the sea and is often used to represent those images.
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That goes well with

Nero

# 020100

or

Deep Fir

# 010200

and

Diesel

# 020001

To a colorblind person appears

Black

# 010101