The hex color #834fcc is a dark color. The web-safe version is Hex
#9966CC. A complementary color is
#7CB033. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#B682FF, and Hex
#501C99 is the 20% darker color. If the color is saturated by 10%, you get
#8249D3. If the color is desaturated by 10%, the color
#8455C5 is obtained.