Hex #b1686f or rgb(177,104,111) in RGB space is the tint of red. It has hue angle of 354.25 degrees, value = 69 and saturation = 41. #b1686f can be obtained by mixing 4 colors: 4 drops of red, 1 drop of blue, 5 drops of white, 3 drops of black.
Nearest safe hex - #996666. Below you can see the block with #b1686f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #b1686f to the mixer and play with it.