Blue (Crayola) (#1F75FE)

/* Background */
.element {
    background-color: #1F75FE;
}

/* Text */
.element {
    color: #1F75FE;
}

/* Border */
.element {
    border: 1px solid #1F75FE;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #1F75FE,
        #FFFEFD
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #1F75FE,
        #FFFEFD
    );
}

// SCSS variable
$blue-(crayola): #1F75FE;

// With RGB channels (useful for rgba() usage)
$blue-(crayola)-r: 31;
$blue-(crayola)-g: 117;
$blue-(crayola)-b: 254;

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