How to use the @theme-ui/preset-tailwind.baseColors.red function in @theme-ui/preset-tailwind

breakpoints: ["480px", "768px", "1024px", "1440px"],
  fonts: {
    ...tailwind.fonts,
    siteTitle: "inherit", // Font for main site title
    navLinks: "inherit", // Font for the nav menu links
    alt: "inherit", //An alternate font style if needed.
  },
  colors: {
    ...tailwind.colors,
    primary: baseColors.red[8],
    secondary: baseColors.red[5],
    accent: baseColors.gray[2],
    textWhite: baseColors.gray[1],
    header: {
      background: "transparent",
      backgroundOpen: baseColors.red[1],
      text: baseColors.gray[8],
      textOpen: baseColors.gray[8],
      icons: baseColors.gray[8],
      iconsHover: baseColors.red[8],
      iconsOpen: baseColors.gray[8],
    },
    footer: {
      background: baseColors.gray[2],
      text: baseColors.gray[8],
      links: baseColors.gray[8],
      icons: baseColors.gray[8],
    },
  },
  sizes: {
    ...tailwind.sizes,
    maxPageWidth: "1440px", // Sets the max width of elements like the header/footer on really large screens

// See https://theme-ui.com/ for more info and also https://www.gatsbyjs.org/docs/theme-ui/
// Try changing some of the colors below to see what happens.
import { tailwind, baseColors } from "@theme-ui/preset-tailwind"

export default {
  ...tailwind,
  breakpoints: ["480px", "768px", "1024px", "1440px"],
  fonts: {
    ...tailwind.fonts,
    siteTitle: "inherit", // Font for main site title
    navLinks: "inherit", // Font for the nav menu links
    alt: "inherit", //An alternate font style if needed.
  },
  colors: {
    ...tailwind.colors,
    primary: baseColors.red[8],
    secondary: baseColors.red[5],
    accent: baseColors.gray[2],
    textWhite: baseColors.gray[1],
    header: {
      background: "transparent",
      backgroundOpen: baseColors.red[1],
      text: baseColors.gray[8],
      textOpen: baseColors.gray[8],
      icons: baseColors.gray[8],
      iconsHover: baseColors.red[8],
      iconsOpen: baseColors.gray[8],
    },
    footer: {
      background: baseColors.gray[2],
      text: baseColors.gray[8],
      links: baseColors.gray[8],