Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.3.2)
// ----

@function palette($color) {
  @each $item in $palette {
    @if index($item, $color) {
      @return nth($item, 2);
    }
  }
}

$palette:
  blue #305c93,
  grayBlue #2d345c,
  gray #292830,
  green #104632,
  orange #f46015,
  pink #f450a9,
  pink-s1 #641778,
  grayPurple #281c3c,
  grayPurple-s1 #1a0d24,
  grayPurple-s2 #0b0b12,
  purple-t1 #4a4495,
  purple #2b1547,
  redPurple #47145f,
  red #7d1506,
  white #fff;

$background-tools:
  blue,
  pink,
  white,
  red;

@each $color in $background-tools {
  .mv-bc-#{$color} {
    background-color: palette($color);
  }
}

.something {
  color: palette(red);
}

SassMeister-output.css

.mv-bc-blue {
  background-color: #305c93;
}

.mv-bc-pink {
  background-color: #f450a9;
}

.mv-bc-white {
  background-color: #fff;
}

.mv-bc-red {
  background-color: #7d1506;
}

.something {
  color: #7d1506;
}