import { createTheme } from '@material-ui/core/styles'; import { red } from '@material-ui/core/colors'; // Create a theme instance. const theme = createTheme({ palette: { primary: { main: '#1b2bd1', }, // secondary: { // main: '#494b52', // }, error: { main: red.A400, }, background: { default: '#fff', }, }, }); export default theme;