The hex color #7457cc is a dark color. The web-safe version is Hex
#6666CC. A complementary color is
#8BA833. The grayscale version is
#888888. A 20% lighter version of the original color is
#A78AFF, and Hex
#412499 is the 20% darker color. If the color is saturated by 10%, you get
#7252D3. If the color is desaturated by 10%, the color
#765CC5 is obtained.