Magenta color in the CMYK model has the values (0, 100, 0, 0). Thus, there is 100 (full) magenta and nil of blue, yellow and black. The closest hex code of the color is #F6008A with RGB equivalent values (246, 0, 138). The CMYK system is the backbone of the color printing technology found in both large industrial and small desktop printers. Colors are created using only four inks - cyan (C), magenta (M), yellow (Y) and black (K).
Please understand that the hex code of the magenta CMYK mentioned on this page is only an approximation. Hexadecimal and RGB color values are for screen and digital media while the CMYK model is used for printing and, therefore, the conversion of one to another is not perfect.