Hex #39a5bd or rgb(57,165,189) in RGB space is the tint of bluish cian. It has hue angle of 190.91 degrees, value = 74 and saturation = 70. #39a5bd can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of blue, 3 drops of cyan, 1 drop of white.
Nearest safe hex - #3399cc. Below you can see the block with #39a5bd color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #39a5bd to the mixer and play with it.