Here are some links wich are good for designer for color pallette
http://www.colorhexa.com/4dacc7
for knowing value in rgb & Cmyk
https://coolors.co/3423a6-403233-8d86c9-7180b9-adf1d2
for generating color palletes
& offcourse adobe kuler
https://color.adobe.com/create/color-wheel/?base=2&rule=Triad&selected=0&name=My%20Color%20Theme&mode=rgb&rgbvalues=0.7,0.06999999999999998,0.06999999999999998,1,0.9879032258064626,0.09999999999999998,1,0,0,0.07999999999999999,0.5221052631580096,0.8,0.03500000000000003,0.44333333333343944,0.7&swatchOrder=0,1,2,3,4
http://www.colorhexa.com/4dacc7
for knowing value in rgb & Cmyk
https://coolors.co/3423a6-403233-8d86c9-7180b9-adf1d2
for generating color palletes
& offcourse adobe kuler
https://color.adobe.com/create/color-wheel/?base=2&rule=Triad&selected=0&name=My%20Color%20Theme&mode=rgb&rgbvalues=0.7,0.06999999999999998,0.06999999999999998,1,0.9879032258064626,0.09999999999999998,1,0,0,0.07999999999999999,0.5221052631580096,0.8,0.03500000000000003,0.44333333333343944,0.7&swatchOrder=0,1,2,3,4