Dark Blue - RGB (0, 0, 139) - CMYK (100, 100, 0, 45)

#00008b
0, 0, 139
0, 0, 54.5
100, 100, 0, 45
240°, 100%, 27%
240°, 100%, 55%

Color schemes that include Dark Blue

#008a00 #00008b #8a0000

Triadic Colors

#008a45 #00008b #8a0045 #8a8a00

Square Colors

#288a00 #00008b #8a2800

Golden Ratio