Firefly

is a saturated very dark cold bluish cyan

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.
Download swatch.ase Find closest 3-digit code Get inspired on Dribbble

Goes well with complementary color

Coffee Bean

# 300D0E

or triadic complementary

Onion

# 302F0D

and triadic complementary

Valentino

# 2F0D30

To a colorblind person appears

Mine Shaft

# 242424