Heliotrope Magenta (#AA00BB)

/* Background */
.element {
    background-color: #AA00BB;
}

/* Text */
.element {
    color: #AA00BB;
}

/* Border */
.element {
    border: 1px solid #AA00BB;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #AA00BB,
        #83FF77
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #AA00BB,
        #83FF77
    );
}

// SCSS variable
$heliotrope-magenta: #AA00BB;

// With RGB channels (useful for rgba() usage)
$heliotrope-magenta-r: 170;
$heliotrope-magenta-g: 0;
$heliotrope-magenta-b: 187;

// Usage
.element {
    background-color: $heliotrope-magenta;
    color: rgba($heliotrope-magenta-r, $heliotrope-magenta-g, $heliotrope-magenta-b, 0.8);
}