Hex #665a67 or rgb(102,90,103) in RGB space is the tint of magenta. It has hue angle of 295.38 degrees, value = 40 and saturation = 13. #665a67 can be obtained by mixing 3 colors: 1 drop of yellow, 1 drop of red, 3 drops of blue.
Nearest safe hex - #666666. Below you can see the block with #665a67 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #665a67 to the mixer and play with it.