UI color system generator

Generate an accessible UI color system

Pick a sector and tone — or drop in your own brand color — and HexPalette derives the full role set (primary, secondary, accent, surfaces, text, and success/warning/error states) in OKLCH, with every intended text pairing checked for WCAG AA contrast. Not five swatches: a system you can ship.

Sector SaaS product Healthcare Finance Crypto & Web3 E-commerce Dashboard
Tone Professional Calm Bold Playful Luxury
Theme Light Dark Primary & Accent stay fixed; surfaces, text and states flip. The export ships both.
Brand color
Brand
#765BC6
Primary
White text 5.1:1 AA
#777900
Secondary
White text 4.6:1 AA
#EC3646
Accent
Black text 5.2:1 AA
Button states
#6549B2
Primary hover
6.7:1 AA label
#583AA2
Primary active
pressed state
#C7C4DD
Primary disabled
muted, non-interactive
#666700
Secondary hover
6.0:1 AA label
Links & focus
#DD233A
Link
on background 4.7:1 AA
#C30025
Link hover
on background 6.1:1 AA
#FB575D
Focus ring
ring 3.1:1 AA Large
#EBE6FF
Selected bg
Text 12.9:1 AAA
Surfaces
#FCFBFF
Background
base surface
#FFFFFF
Surface
Text 15.7:1 AAA
#D1D0D9
Border
subtle, non-text
Inputs
#FDFCFF
Input bg
Text 15.4:1 AAA
#BBBAC2
Input border
field edge
#FB575D
Input focus
matches focus ring
Text
#242131
Text
on background 15.2:1 AAA
#726D8A
Muted text
on background 4.8:1 AA
Success
#00841D
Success
on background 4.7:1 AA
#FFFFFF
On Success
4.9:1 AA on Success
#C3F8C3
Success container
Text 4.8:1 AA
#307434
On Success container
on container 4.8:1 AA
Warning
#B45900
Warning
on background 4.7:1 AA
#FFFFFF
On Warning
4.8:1 AA on Warning
#FFD8B0
Warning container
Text 4.7:1 AA
#964C0E
On Warning container
on container 4.7:1 AA
Error
#E21620
Error
on background 4.7:1 AA
#FFFFFF
On Error
4.8:1 AA on Error
#FFD1C8
Error container
Text 4.6:1 AA
#9C443C
On Error container
on container 4.6:1 AA

In a real trading app

ChainDesk Markets Wallet Swap
Portfolio value
$24,918.60
▲ 5.7% 24h
BTC +3.4%
ETH −1.8%
Connect wallet Swap History
✓ Swap confirmed on-chain.
Confirmed Pending Failed

Every intended pairing here — text, buttons and states — meets WCAG AA by construction.

Export light + dark

:root {
  --primary: #765BC6;
  --on-primary: #FFFFFF;
  --primary-hover: #6549B2;
  --primary-active: #583AA2;
  --primary-disabled: #C7C4DD;
  --secondary: #777900;
  --secondary-hover: #666700;
  --accent: #EC3646;
  --link: #DD233A;
  --link-hover: #C30025;
  --focus-ring: #FB575D;
  --selected-bg: #EBE6FF;
  --background: #FCFBFF;
  --surface: #FFFFFF;
  --border: #D1D0D9;
  --input-bg: #FDFCFF;
  --input-border: #BBBAC2;
  --input-focus: #FB575D;
  --text: #242131;
  --muted: #726D8A;
  --success: #00841D;
  --warning: #B45900;
  --error: #E21620;
  --on-success: #FFFFFF;
  --success-container: #C3F8C3;
  --on-success-container: #307434;
  --on-warning: #FFFFFF;
  --warning-container: #FFD8B0;
  --on-warning-container: #964C0E;
  --on-error: #FFFFFF;
  --error-container: #FFD1C8;
  --on-error-container: #9C443C;
}

[data-theme="dark"] {
  --primary: #765BC6;
  --on-primary: #FFFFFF;
  --primary-hover: #8A70DE;
  --primary-active: #9980EF;
  --primary-disabled: #383549;
  --secondary: #777900;
  --secondary-hover: #8C8E27;
  --accent: #EC3646;
  --link: #FF787C;
  --link-hover: #FF8E91;
  --focus-ring: #FF8081;
  --selected-bg: #27223D;
  --background: #0C0B11;
  --surface: #17161D;
  --border: #484650;
  --input-bg: #18161E;
  --input-border: #5B5963;
  --input-focus: #FF8081;
  --text: #EEECFB;
  --muted: #B7B3D3;
  --success: #54DD7D;
  --warning: #FFAE28;
  --error: #FF5E54;
  --on-success: #000000;
  --success-container: #063215;
  --on-success-container: #A2F5B4;
  --on-warning: #000000;
  --warning-container: #3D2200;
  --on-warning-container: #FFD281;
  --on-error: #000000;
  --error-container: #451915;
  --on-error-container: #FFBFB3;
}
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