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
#426BCE
Primary
White text 5.0:1 AA
#A46200
Secondary
White text 4.9:1 AA
#E1388D
Accent
Black text 5.2:1 AA
Button states
#3259BA
Primary hover
6.4:1 AA label
#2549A9
Primary active
pressed state
#BCC8DF
Primary disabled
muted, non-interactive
#915000
Secondary hover
6.3:1 AA label
Links & focus
#D22781
Link
on background 4.7:1 AA
#B9006D
Link hover
on background 6.2:1 AA
#F1579F
Focus ring
ring 3.1:1 AA Large
#DBECFF
Selected bg
Text 12.9:1 AAA
Surfaces
#F9FCFF
Background
base surface
#FDFFFF
Surface
Text 15.5:1 AAA
#CDD1DA
Border
subtle, non-text
Inputs
#FAFDFF
Input bg
Text 15.2:1 AAA
#B7BBC3
Input border
field edge
#F1579F
Input focus
matches focus ring
Text
#1D2433
Text
on background 15.1:1 AAA
#65728D
Muted text
on background 4.7:1 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 product dashboard

Acme Dashboard Team Billing
Monthly active users
12,480
▲ 8.1% this week
New signups +312
Churn −1.2%
Upgrade Invite Report
✓ Workspace settings saved.
Active Trial Past due

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

Export light + dark

:root {
  --primary: #426BCE;
  --on-primary: #FFFFFF;
  --primary-hover: #3259BA;
  --primary-active: #2549A9;
  --primary-disabled: #BCC8DF;
  --secondary: #A46200;
  --secondary-hover: #915000;
  --accent: #E1388D;
  --link: #D22781;
  --link-hover: #B9006D;
  --focus-ring: #F1579F;
  --selected-bg: #DBECFF;
  --background: #F9FCFF;
  --surface: #FDFFFF;
  --border: #CDD1DA;
  --input-bg: #FAFDFF;
  --input-border: #B7BBC3;
  --input-focus: #F1579F;
  --text: #1D2433;
  --muted: #65728D;
  --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: #426BCE;
  --on-primary: #FFFFFF;
  --primary-hover: #5581E6;
  --primary-active: #6490F7;
  --primary-disabled: #2F384A;
  --secondary: #A46200;
  --secondary-hover: #BB7727;
  --accent: #E1388D;
  --link: #FF77C5;
  --link-hover: #FF8EDC;
  --focus-ring: #FF7FC4;
  --selected-bg: #1A263F;
  --background: #0A0C11;
  --surface: #14171D;
  --border: #434851;
  --input-bg: #13171F;
  --input-border: #565B65;
  --input-focus: #FF7FC4;
  --text: #E8EFFC;
  --muted: #A9B8D5;
  --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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