The hex color #3b64ed is a dark color. The web-safe version is Hex
#3366FF. A complementary color is
#C49B12. The grayscale version is
#848484. A 20% lighter version of the original color is
#6E97FF, and Hex
#0831BA is the 20% darker color. If the color is saturated by 10%, you get
#3461F8. If the color is desaturated by 10%, the color
#4267E3 is obtained.