The hex color #a31e70 is a dark color. The web-safe version is Hex
#993366. A complementary color is
#5CE18F. The grayscale version is
#666666. A 20% lighter version of the original color is
#D651A3, and Hex
#70003D is the 20% darker color. If the color is saturated by 10%, you get
#A91771. If the color is desaturated by 10%, the color
#9D256F is obtained.