The hex color #a7adc5 is a light color. The web-safe version is Hex
#9999CC. A complementary color is
#58523A. The grayscale version is
#B3B3B3. A 20% lighter version of the original color is
#DAE0F8, and Hex
#747A92 is the 20% darker color. If the color is saturated by 10%, you get
#A6ACC7. If the color is desaturated by 10%, the color
#A8AEC3 is obtained.