The hex color #b74cb0 is a dark color. The web-safe version is Hex
#CC3399. A complementary color is
#48B34F. The grayscale version is
#919191. A 20% lighter version of the original color is
#EA7FE3, and Hex
#84197D is the 20% darker color. If the color is saturated by 10%, you get
#BB45B3. If the color is desaturated by 10%, the color
#B353AD is obtained.