Hex #6dbbcf or rgb(109,187,207) in RGB space is the tint of bluish cian. It has hue angle of 192.24 degrees, value = 81 and saturation = 47. #6dbbcf can be obtained by mixing 4 colors: 1 drop of blue, 2 drops of cyan, 3 drops of white, 1 drop of black.
Nearest safe hex - #66cccc. Below you can see the block with #6dbbcf color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6dbbcf to the mixer and play with it.