sidenav.component.html

<mat-toolbar [color]="themeColor">
	Toolbar
</mat-toolbar>
<mat-sidenav-container class="example-container">
	<mat-sidenav #sidenav mode="side" opened>
		Sidenav content</mat-sidenav>
	<mat-sidenav-content>
		<ng-content></ng-content>
    </mat-sidenav-content>
</mat-sidenav-container>

sidenav.component.scss

.example-container {
  height: 500px;
}

sidenav.component.ts

import { Component, OnInit, Input } from '@angular/core';

@Component({
  selector: 'app-sidenav',
  templateUrl: './sidenav.component.html',
  styleUrls: ['./sidenav.component.scss']
})
export class SidenavComponent implements OnInit {
  @Input() themeColor = '';
  constructor() { }

  ngOnInit() {
  }

}