EPSG:6427 - NAD83(2011) / Colorado Central

{
  "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json",
  "type": "ProjectedCRS",
  "name": "NAD83(2011) / Colorado Central",
  "base_crs": {
    "name": "NAD83(2011)",
    "datum": {
      "type": "GeodeticReferenceFrame",
      "name": "NAD83 (National Spatial Reference System 2011)",
      "ellipsoid": {
        "name": "GRS 1980",
        "semi_major_axis": 6378137,
        "inverse_flattening": 298.257222101
      }
    },
    "coordinate_system": {
      "subtype": "ellipsoidal",
      "axis": [
        {
          "name": "Geodetic latitude",
          "abbreviation": "Lat",
          "direction": "north",
          "unit": "degree"
        },
        {
          "name": "Geodetic longitude",
          "abbreviation": "Lon",
          "direction": "east",
          "unit": "degree"
        }
      ]
    },
    "id": {
      "authority": "EPSG",
      "code": 6318
    }
  },
  "conversion": {
    "name": "SPCS83 Colorado Central zone (meter)",
    "method": {
      "name": "Lambert Conic Conformal (2SP)",
      "id": {
        "authority": "EPSG",
        "code": 9802
      }
    },
    "parameters": [
      {
        "name": "Latitude of false origin",
        "value": 37.8333333333333,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8821
        }
      },
      {
        "name": "Longitude of false origin",
        "value": -105.5,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8822
        }
      },
      {
        "name": "Latitude of 1st standard parallel",
        "value": 39.75,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8823
        }
      },
      {
        "name": "Latitude of 2nd standard parallel",
        "value": 38.45,
        "unit": "degree",
        "id": {
          "authority": "EPSG",
          "code": 8824
        }
      },
      {
        "name": "Easting at false origin",
        "value": 914401.8289,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8826
        }
      },
      {
        "name": "Northing at false origin",
        "value": 304800.6096,
        "unit": "metre",
        "id": {
          "authority": "EPSG",
          "code": 8827
        }
      }
    ]
  },
  "coordinate_system": {
    "subtype": "Cartesian",
    "axis": [
      {
        "name": "Easting",
        "abbreviation": "X",
        "direction": "east",
        "unit": "metre"
      },
      {
        "name": "Northing",
        "abbreviation": "Y",
        "direction": "north",
        "unit": "metre"
      }
    ]
  },
  "scope": "Engineering survey, topographic mapping.",
  "area": "United States (USA) - Colorado - counties Arapahoe; Chaffee; Cheyenne; Clear Creek; Delta; Denver; Douglas; Eagle; El Paso; Elbert; Fremont; Garfield; Gunnison; Jefferson; Kit Carson; Lake; Lincoln; Mesa; Park; Pitkin; Summit; Teller.",
  "bbox": {
    "south_latitude": 38.14,
    "west_longitude": -109.06,
    "north_latitude": 40.09,
    "east_longitude": -102.04
  },
  "id": {
    "authority": "EPSG",
    "code": 6427
  }
}

{'crs_wkt': 'PROJCRS["NAD83(2011) / Colorado '
            'Central",BASEGEOGCRS["NAD83(2011)",DATUM["NAD83 (National Spatial '
            'Reference System 2011)",ELLIPSOID["GRS '
            '1980",6378137,298.257222101,LENGTHUNIT["metre",1]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],ID["EPSG",6318]],CONVERSION["SPCS83 '
            'Colorado Central zone (meter)",METHOD["Lambert Conic Conformal '
            '(2SP)",ID["EPSG",9802]],PARAMETER["Latitude of false '
            'origin",37.8333333333333,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8821]],PARAMETER["Longitude '
            'of false '
            'origin",-105.5,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8822]],PARAMETER["Latitude '
            'of 1st standard '
            'parallel",39.75,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8823]],PARAMETER["Latitude '
            'of 2nd standard '
            'parallel",38.45,ANGLEUNIT["degree",0.0174532925199433],ID["EPSG",8824]],PARAMETER["Easting '
            'at false '
            'origin",914401.8289,LENGTHUNIT["metre",1],ID["EPSG",8826]],PARAMETER["Northing '
            'at false '
            'origin",304800.6096,LENGTHUNIT["metre",1],ID["EPSG",8827]]],CS[Cartesian,2],AXIS["easting '
            '(X)",east,ORDER[1],LENGTHUNIT["metre",1]],AXIS["northing '
            '(Y)",north,ORDER[2],LENGTHUNIT["metre",1]],USAGE[SCOPE["Engineering '
            'survey, topographic mapping."],AREA["United States (USA) - '
            'Colorado - counties Arapahoe; Chaffee; Cheyenne; Clear Creek; '
            'Delta; Denver; Douglas; Eagle; El Paso; Elbert; Fremont; '
            'Garfield; Gunnison; Jefferson; Kit Carson; Lake; Lincoln; Mesa; '
            'Park; Pitkin; Summit; '
            'Teller."],BBOX[38.14,-109.06,40.09,-102.04]],ID["EPSG",6427]]',
 'false_easting': 914401.8289,
 'false_northing': 304800.6096,
 'geographic_crs_name': 'NAD83(2011)',
 'grid_mapping_name': 'lambert_conformal_conic',
 'horizontal_datum_name': 'NAD83 (National Spatial Reference System 2011)',
 'inverse_flattening': 298.257222101,
 'latitude_of_projection_origin': 37.833333333333336,
 'longitude_of_central_meridian': -105.5,
 'longitude_of_prime_meridian': 0.0,
 'prime_meridian_name': 'Greenwich',
 'projected_crs_name': 'NAD83(2011) / Colorado Central',
 'reference_ellipsoid_name': 'GRS 1980',
 'semi_major_axis': 6378137.0,
 'semi_minor_axis': 6356752.314140356,
 'standard_parallel': (39.75, 38.45)}