Indigo

# 3769C6

Dodger Blue

# 4787FF

Royal Blue

is a saturated very light 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.
Download swatch.ase

That goes well with

Tulip Tree

# EDB142

or

Conifer

# 7EED42

and

French Rose

# ED427E

To a colorblind person appears

Gray

# 8f8f8f