The hex color #e8306c is a dark color. The web-safe version is Hex
#FF3366. A complementary color is
#17CF93. The grayscale version is
#818181. A 20% lighter version of the original color is
#FF639F, and Hex
#B50039 is the 20% darker color. If the color is saturated by 10%, you get
#F2286A. If the color is desaturated by 10%, the color
#DE386E is obtained.