Cello

is a saturated 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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Goes well with complementary color

Pickled Bean

# 5E3F1D

or triadic complementary

Clover

# 3B5E1D

and triadic complementary

Wine Berry

# 5E1D3B

To a colorblind person appears

Mine Shaft

# 3d3d3d