theme.json

{
    "version": 1,
    "settings": {
      "color": {
        "custom": false,
        "customDuotone": false,
        "customGradient": false,
        "defaultGradients": false,
        "defaultPalette": false,
        "duotone": [],
        "gradients": [],
        "link": false,
        "palette": [
          {
            "name": "Black",
            "slug": "black",
            "color": "#0B0C0C"
          },
          {
            "name": "Dark grey",
            "slug": "dark-grey",
            "color": "#505A5F"
          },
          {
            "name": "Mid grey",
            "slug": "mid-grey",
            "color": "#B1B4B6"
          },
          {
            "name": "Lighter grey",
            "slug": "lightish-grey",
            "color": "#DBDAD9"
          },
          {
            "name": "Light grey",
            "slug": "light-grey",
            "color": "#F3F2F1"
          },
          {
            "name": "White",
            "slug": "white",
            "color": "#FFFFFF"
          },
          {
            "name": "Branded colour 1",
            "slug": "generic-palette-1",
            "color": "var(--generic-palette-1)"
          },
          {
            "name": "Branded colour 2",
            "slug": "generic-palette-2",
            "color": "var(--generic-palette-2)"
          },
          {
            "name": "Branded colour 3",
            "slug": "generic-palette-3",
            "color": "var(--generic-palette-3)"
          },
          {
            "name": "Branded colour 4",
            "slug": "generic-palette-4",
            "color": "var(--generic-palette-4)"
          }
        ]
      },
      "typography": {
        "customFontSize": false,
        "customLineHeight": false,
        "textTransform": false,
        "fontSizes": [
          {
            "slug": "small",
            "size": "var(--gds-font-size-16)",
            "name": "Small"
          },
          {
            "slug": "medium",
            "size": "var(--gds-font-size-19)",
            "name": "Medium"
          },
          {
            "slug": "large",
            "size": "var(--gds-font-size-24)",
            "name": "Large"
          }
        ]
      },
      "blocks": {
        "core/heading": {
          "typography": {
            "fontSizes": [
              {
                "slug": "small",
                "size": "var(--gds-font-size-19)",
                "name": "Small"
              },
              {
                "slug": "medium",
                "size": "var(--gds-font-size-24)",
                "name": "Medium"
              },
              {
                "slug": "large",
                "size": "var(--gds-font-size-36)",
                "name": "Large"
              },
              {
                "slug": "huge",
                "size": "var(--gds-font-size-48)",
                "name": "Extra large"
              }
            ]
          }
        },
        "core/paragraph": {
          "typography": {
            "dropCap": false
          }
        },
        "core/list-item": {
          "typography": {
            "fontSizes": []
          }
        }
      }
    }
  }