Hex #66869f or rgb(102,134,159) in RGB space is the tint of blue. It has hue angle of 206.32 degrees, value = 62 and saturation = 36. #66869f can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of magenta, 5 drops of blue, 4 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #66869f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66869f to the mixer and play with it.