Firefly

is a saturated very dark cold 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

Cedar

# 3A121A

or triadic complementary

Woodrush

# 3A3212

and triadic complementary

Grape

# 32123A

To a colorblind person appears

Mine Shaft

# 2a2a2a