Light Crimson (#F56991)

/* Background */
.element {
    background-color: #F56991;
}

/* Text */
.element {
    color: #F56991;
}

/* Border */
.element {
    border: 1px solid #F56991;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #F56991,
        #69F5CD
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #F56991,
        #69F5CD
    );
}

// SCSS variable
$light-crimson: #F56991;

// With RGB channels (useful for rgba() usage)
$light-crimson-r: 245;
$light-crimson-g: 105;
$light-crimson-b: 145;

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