Hex #ef5490 or rgb(239,84,144) in RGB space is the tint of scarlet. It has hue angle of 336.77 degrees, value = 94 and saturation = 65. #ef5490 can be obtained by mixing 4 colors: 5 drops of red, 5 drops of magenta, 1 drop of blue, 5 drops of white.
Nearest safe hex - #ff6699. Below you can see the block with #ef5490 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #ef5490 to the mixer and play with it.