Ultramarine - RGB (64, 0, 255) - CMYK (75, 100, 0, 0)

#4000ff
64, 0, 255
25.1, 0, 100
75, 100, 0, 0
255°, 100%, 50%
255°, 100%, 100%

Color schemes that include Ultramarine

#00ff40 #4000ff #ff4000

Triadic Colors

#00ffc0 #4000ff #ff003f #bfff00

Square Colors

#0aff00 #4000ff #ff8a00

Golden Ratio