Hex #6a7d80 or rgb(106,125,128) in RGB space is the tint of bluish cian. It has hue angle of 188.18 degrees, value = 50 and saturation = 17. #6a7d80 can be obtained by mixing 4 colors: 1 drop of red, 2 drops of cyan, 4 drops of white, 5 drops of black.
Nearest safe hex - #666699. Below you can see the block with #6a7d80 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a7d80 to the mixer and play with it.