Tailwind running with Next gives a syntax error

./node_modules/next/dist/compiled/css-loader/cjs.js??ruleSet[1].rules[3].oneOf[7].use[1]!./node_modules/next/dist/compiled/postcss-loader/cjs.js??ruleSet[1].rules[3].oneOf[7].use[2]!./node_modules/next/dist/compiled/resolve-url-loader/index.js??ruleSet[1].rules[3].oneOf[7].use[3]!./node_modules/next/dist/compiled/sass-loader/cjs.js??ruleSet[1].rules[3].oneOf[7].use[4]!./styles/style.scss
/home/user/node_modules/color/index.js:257
            lum[i] = (chan <= 0.039_28) ? chan / 12.92 : ((chan + 0.055) / 1.055) ** 2.4;
                              ^^^^^

SyntaxError: Invalid or unexpected token