Medium Sky Blue (#80DAEB)

/* Background */
.element {
    background-color: #80DAEB;
}

/* Text */
.element {
    color: #80DAEB;
}

/* Border */
.element {
    border: 1px solid #80DAEB;
}

/* Linear gradient to complementary */
.element {
    background: linear-gradient(
        to right,
        #80DAEB,
        #F4E5E2
    );
}

/* Radial gradient */
.element {
    background: radial-gradient(
        circle,
        #80DAEB,
        #F4E5E2
    );
}

// SCSS variable
$medium-sky-blue: #80DAEB;

// With RGB channels (useful for rgba() usage)
$medium-sky-blue-r: 128;
$medium-sky-blue-g: 218;
$medium-sky-blue-b: 235;

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