Color

Override Colors (Light / Dark Theme)

For any change in colors : src/assets/scss/themecolors/_blue_theme.scss 
                    
@use "sass:map";
@use "@angular/material" as mat;

html.blue_theme {
  --mat-sys-primary: rgb(30, 77, 183);
  --mat-sys-primary-fixed-dim: rgb(30, 77, 183, 0.15);
  --mat-sys-secondary: rgb(26, 151, 245);
  --mat-sys-secondary-fixed-dim: rgb(26, 151, 245, 0.15);
}

Light Theme Variables Settings

For any change in colors : src/assets/scss/theme-variables/_light-theme-variables.scss 
                    
html.light-theme {
  color-scheme: light;
  --mat-sys-corner-small: 7px;
  --mat-sys-corner-medium: 20px;
  --mat-sys-background: #fafafa;
  --mat-sys-surface-bright: #f2f6fa;
  --mat-sys-surface: #fff;
  --mat-sys-surface-container: #fff;
  --mat-sys-surface-container-low: #fff;
  --mat-sys-on-background: #2a3547;
  --mat-sys-outline: #d7dde2;
  --mat-sys-outline-variant: #d7dde2;
  --mdc-outlined-text-field-hover-outline-color: #d7dde2;
  --mdc-checkbox-unselected-hover-state-layer-color: #d7dde2;
  --mat-menu-item-hover-state-layer-color: #f6f9fc;
  --mat-standard-button-toggle-state-layer-color: #f6f9fc;
  --mat-option-focus-state-layer-color: #f6f9fc;
  --mat-option-hover-state-layer-color: #f6f9fc;
  --mdc-switch-unselected-track-color: #f6f9fc;
  --mat-stepper-header-focus-state-layer-color: #f6f9fc;
  --mat-stepper-header-hover-state-layer-color: #f6f9fc;
  --mdc-dialog-supporting-text-color: var(--mat-sys-on-background);
  --mat-expansion-header-hover-state-layer-color: #f6f9fc;
}

Dark Theme Variables Settings

For any change in colors : src/assets/scss/theme-variables/_dark-theme-variables.scss 
                    
html.dark-theme {
  color-scheme: dark;
  --mat-sys-corner-small: 7px;
  --mat-sys-corner-medium: 20px;
  --mat-sys-background: #141a21;
  --mat-sys-on-background: rgba(255, 255, 255, 0.9);
  --mat-sys-on-primary: #fff;
  --mat-sys-surface-bright: #ffffff05;
  --mat-sys-surface: #141a21;
  --mat-sys-surface-container: #141a21;
  --mat-sys-surface-container-low: #141a21;
  --mat-sys-outline-variant: #2e3f50;
  --mat-sys-outline: #2e3f50;
  --mdc-outlined-text-field-hover-outline-color: #465670;
  --mdc-checkbox-unselected-hover-state-layer-color: #19212a;
  --mat-menu-item-hover-state-layer-color: #ffffff14;
  --mat-standard-button-toggle-state-layer-color: #19212a;
  --mat-option-focus-state-layer-color: #19212a;
  --mat-option-hover-state-layer-color: #19212a;
  --mdc-switch-unselected-track-color: #19212a;
  --mat-stepper-header-focus-state-layer-color: #19212a;
  --mat-stepper-header-hover-state-layer-color: #19212a;
  --mat-expansion-header-hover-state-layer-color: #19212a;
  @include mat.card-overrides(
    (
      elevated-container-color: #141a21,
      elevated-container-elevation: "#919eab4d 0 0 2px,#919eab05 0 12px 24px -4px",
      subtitle-text-color: rgba(255, 255, 255, 0.67),
    ));
  @include mat.theme-overrides(
    (
      level1: "#919eab4d 0 0 2px,#919eab05 0 12px 24px -4px",
      level2: "#919eab4d 0 0 2px,#919eab05 0 12px 24px -4px",
      level3: "#919eab4d 0 0 2px,#919eab05 0 12px 24px -4px",
    ));
}