My first cryptogram

Logic Level 1

$\large{\begin{array}{c}&& \color{#3D99F6}A & \color{#D61F06}B & \color{#69047E}C \\ & \color{#3D99F6}A & \color{#D61F06}B & \color{#69047E}C \\ + & \color{#3D99F6}A & \color{#D61F06}B & \color{#69047E}C \\ \hline &\color{#69047E}C & \color{#69047E}C & \color{#69047E}C \end{array}}$

$\large \overline{\color{#3D99F6}A\color{#D61F06}B \color{#69047E}C} = \ ?$