CODE EXAMPLE FOR JAVASCRIPT

textField input font color React Material UI

import React from "react";
import { makeStyles } from "@material-ui/core/styles";
import TextField from "@material-ui/core/TextField";

const useStyles = makeStyles({
  input: {
    color: "blue"
  }
});

export default function App() {
  const classes = useStyles();

  return (
    <TextField
      inputProps={{ className: classes.input }}
      id="outlined-basic"
      label="Write something..."
      variant="outlined"
    />
  );
}