Indigo - RGB (75, 0, 130) - CMYK (42, 100, 0, 49)

#4b0082
75, 0, 130
29.4, 0, 51
42, 100, 0, 49
275°, 100%, 25%
275°, 100%, 51%

Color schemes that include Indigo

#00804a #4b0082 #804a00

Triadic Colors

#007680 #4b0082 #800a00 #368000

Square Colors

#008024 #4b0082 #806f00

Golden Ratio