Readdy AI

HEX Color Palette Generator

Start from one HEX color and generate a complete palette with tonal scale, harmony colors, semantic tokens, and copy-ready CSS variables.

Base Color (HEX)
Supports #RGB or #RRGGBB, for example #0EA5E9

Quick Presets

Palette Overview
See your base color relationships and build a consistent system faster.

Base Color (HEX)

#2563EB

Hue: 221Saturation: 83%Lightness: 53%

Harmony Colors

Analogous A
#45C7E4
Analogous B
#6345E4
Complementary
#E6AB2A
Triadic A
#E2386D
Triadic B
#6DE238
Tonal Scale (50 - 900)
Light-to-dark shades ready for backgrounds, borders, states, and text contrast.
50
#F4F6FB
100
#D1DBF1
200
#ABBFEB
300
#82A2E7
400
#5583E8
500
#2563EB
600
#124BC7
700
#0D3794
800
#082462
900
#04112F
Semantic Tokens
Use these roles directly in UI to keep product visuals and brand style consistent.
Primary

Primary

Main brand and CTA color

#2563EB
Secondary

Secondary

Supporting brand color

#6C59D5
Accent

Accent

High-contrast highlights

#E3AA2D
Background

Background

Page-level background tone

#F7F7F8
Surface

Surface

Cards and surface containers

#E8E9EE
Text

Text

Default body text color

#1B212C
CSS Variables
Copy once and drop into your stylesheet.
:root {
  --color-primary: #2563EB;
  --color-secondary: #6C59D5;
  --color-accent: #E3AA2D;
  --color-background: #F7F7F8;
  --color-surface: #E8E9EE;
  --color-text: #1B212C;
  --color-primary-50: #F4F6FB;
  --color-primary-100: #D1DBF1;
  --color-primary-200: #ABBFEB;
  --color-primary-300: #82A2E7;
  --color-primary-400: #5583E8;
  --color-primary-500: #2563EB;
  --color-primary-600: #124BC7;
  --color-primary-700: #0D3794;
  --color-primary-800: #082462;
  --color-primary-900: #04112F;
}