Content copied from https://raw.githubusercontent.com/angular/components/master/src/material/toolbar/_toolbar-theme.scss

_toolbar-theme.scss

@import '../core/theming/palette';
@import '../core/theming/theming';
@import '../core/typography/typography-utils';


@mixin _mat-toolbar-color($palette) {
  background: mat-color($palette);
  color: mat-color($palette, default-contrast);
}

@mixin _mat-toolbar-form-field-overrides {
  .mat-form-field-underline,
  .mat-form-field-ripple,
  .mat-focused .mat-form-field-ripple {
    background-color: currentColor;
  }

  .mat-form-field-label,
  .mat-focused .mat-form-field-label,
  .mat-select-value,
  .mat-select-arrow,
  .mat-form-field.mat-focused .mat-select-arrow {
    color: inherit;
  }

  .mat-input-element {
    caret-color: currentColor;
  }
}

@mixin mat-toolbar-theme($theme) {
  $primary: map-get($theme, primary);
  $accent: map-get($theme, accent);
  $warn: map-get($theme, warn);
  $background: map-get($theme, background);
  $foreground: map-get($theme, foreground);

  .mat-toolbar {
    background: mat-color($background, app-bar);
    color: mat-color($foreground, text);

    &.mat-primary {
      @include _mat-toolbar-color($primary);
    }

    &.mat-accent {
      @include _mat-toolbar-color($accent);
    }

    &.mat-warn {
      @include _mat-toolbar-color($warn);
    }

    @include _mat-toolbar-form-field-overrides;
  }
}

@mixin mat-toolbar-typography($config) {
  .mat-toolbar,
  .mat-toolbar h1,
  .mat-toolbar h2,
  .mat-toolbar h3,
  .mat-toolbar h4,
  .mat-toolbar h5,
  .mat-toolbar h6 {
    @include mat-typography-level-to-styles($config, title);
    margin: 0;
  }
}