You can use these parameters:
horizontalAlignment= the horizontal gravity of the layout’s children.verticalArrangement= the vertical arrangement of the layout’s children
Something like:
Column(
modifier = Modifier.fillMaxSize(),
verticalArrangement = Arrangement.Center,
horizontalAlignment = Alignment.CenterHorizontally
) {
Text(
text = "First item",
modifier = Modifier.padding(16.dp)
)
Text(
text = "Second item",
modifier = Modifier.padding(16.dp)
)
Text(
text = "Third item",
modifier = Modifier.padding(16.dp)
)
}

If you want only to center horizontally just use:
Column(
modifier = Modifier.fillMaxWidth(),
horizontalAlignment = Alignment.CenterHorizontally
) {
Column ( ) { ... }
