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
#7A3B8F
Secondary
White text 7.4:1 AAA
#D5584F
Accent
Black text 5.3:1 AA
Button states
#6549B2
Primary hover
6.7:1 AA label
#583AA2
Primary active
pressed state
#C7C4DD
Primary disabled
muted, non-interactive
#68297C
Secondary hover
9.6:1 AAA label
Links & focus
#C0453E
Link
on background 4.6:1 AA
#A82E2A
Link hover
on background 6.2:1 AA
#E3655B
Focus ring
ring 3.0:1 AA Large
#EBE6FF
Selected bg
Text 12.9:1 AAA
Surfaces
#F4F3FD
Background
base surface
#FAFAFF
Surface
Text 15.1:1 AAA
#EDEBFA
Border
subtle, non-text
Inputs
#FDFCFF
Input bg
Text 15.4:1 AAA
#D6D4E3
Input border
field edge
#E3655B
Input focus
matches focus ring
Text
#242131
Text
on background 14.3:1 AAA
#6F6A87
Muted text
on background 4.7:1 AA
Success
#137E3B
Success
on background 4.7:1 AA
#FFFFFF
On Success
5.2:1 AA on Success
#BDFAC8
Success container
Text 4.7:1 AA
#21763C
On Success container
on container 4.7:1 AA
Warning
#9D5E00
Warning
on background 4.7:1 AA
#FFFFFF
On Warning
5.2:1 AA on Warning
#FFDDA8
Warning container
Text 4.8:1 AA
#905200
On Warning container
on container 4.8:1 AA
Error
#C1443D
Error
on background 4.6:1 AA
#FFFFFF
On Error
5.0:1 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: #7A3B8F;
  --secondary-hover: #68297C;
  --accent: #D5584F;
  --link: #C0453E;
  --link-hover: #A82E2A;
  --focus-ring: #E3655B;
  --selected-bg: #EBE6FF;
  --background: #F4F3FD;
  --surface: #FAFAFF;
  --border: #EDEBFA;
  --input-bg: #FDFCFF;
  --input-border: #D6D4E3;
  --input-focus: #E3655B;
  --text: #242131;
  --muted: #6F6A87;
  --success: #137E3B;
  --warning: #9D5E00;
  --error: #C1443D;
  --on-success: #FFFFFF;
  --success-container: #BDFAC8;
  --on-success-container: #21763C;
  --on-warning: #FFFFFF;
  --warning-container: #FFDDA8;
  --on-warning-container: #905200;
  --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: #7A3B8F;
  --secondary-hover: #8F50A5;
  --accent: #D5584F;
  --link: #FF9185;
  --link-hover: #FFA79B;
  --focus-ring: #FF9185;
  --selected-bg: #27223D;
  --background: #0B0A12;
  --surface: #16141F;
  --border: #2E2C3A;
  --input-bg: #171620;
  --input-border: #403E4D;
  --input-focus: #FF9185;
  --text: #EEECFB;
  --muted: #A5A0BF;
  --success: #7ED591;
  --warning: #F5B66A;
  --error: #F57A6F;
  --on-success: #000000;
  --success-container: #073215;
  --on-success-container: #A3F5B3;
  --on-warning: #000000;
  --warning-container: #3E2100;
  --on-warning-container: #FFD083;
  --on-error: #000000;
  --error-container: #451915;
  --on-error-container: #FFBFB3;
}
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