Red Violet (#C71585)

/* Background */
.element {
    background-color: #C71585;
}

/* Text */
.element {
    color: #C71585;
}

/* Border */
.element {
    border: 1px solid #C71585;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #C71585,
        #15C757
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #C71585,
        #15C757
    );
}

// SCSS variable
$red-violet: #C71585;

// With RGB channels (useful for rgba() usage)
$red-violet-r: 199;
$red-violet-g: 21;
$red-violet-b: 133;

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