The hex color #ecdce7 is a light color. The web-safe version is Hex
#FFCCFF. A complementary color is
#132318. The grayscale version is
#E5E5E5. A 20% lighter version of the original color is
#FFFFFF, and Hex
#B9A9B4 is the 20% darker color. If the color is saturated by 10%, you get
#EDDBE7. If the color is desaturated by 10%, the color
#EBDDE7 is obtained.