1. Override Colors

For any change in colors : scss/variable.scss

                  
// colors
$white: #fff !default;
$gray-100: #f2f4f8 !default;
$gray-200: #e9ecef !default;
$gray-300: #dee2e6 !default;
$gray-400: #ced4da !default;
$gray-500: #768B9E !default;
$gray-600: #6c757d !default;
$gray-700: #4f5467 !default;
$gray-800: #343a40 !default;
$gray-900:  #3A4752!default;
$black: #000 !default;

// Color
$blue: #2cabe3 !default;
$indigo: #6610f2 !default;
$purple: #725AF2 !default;
$pink: #e83e8c !default;
$red: #F8285A !default;
$orange: #fb8c00 !default;
$yellow: #F6C000 !default;
$green: #2cd07e !default;
$teal: #20c997 !default;
$cyan: #26c6da !default;
$primary: #1B84FF !default;
$secondary: #43CED7 !default;
$text-muted: $gray-500 !default;
$inverse: #2f3d4a !default;

// Main Colors
$primary: $primary !default;
$secondary: $secondary !default;
$success: $green !default;
$info: $blue !default;
$warning: $yellow !default;
$danger: $red !default;
$light: $gray-100 !default;
$muted: $gray-500 !default;
$dark: $gray-900 !default;
$dark-light: $gray-600 !default;
$light-gray: $gray-100 !default;
$light-indigo: #c6cdfd !default;
$cyan: $cyan !default;
$orange: $orange !default;

// light colors
$primary-bg-subtle:#EDF5FD !default;
$secondary-bg-subtle: #F2FCFC !default;
$success-bg-subtle: #EDFDF2 !default;
$info-bg-subtle: #e4f5ff !default;
$warning-bg-subtle: #FFFCF0 !default;
$danger-bg-subtle: #FFF0F4 !default;
$light-bg-subtle: #F6F6F6 !default;
$dark-bg-subtle: $gray-600 !default;