Design System Inspiration of Kraken
1. Visual Theme & Atmosphere
Kraken's website is a clean, trustworthy crypto exchange that uses purple as its commanding brand color. The design operates on white backgrounds with Kraken Purple (#7132f5, #5741d8, #5b1ecf) creating a distinctive, professional crypto identity. The proprietary Kraken-Brand font handles display headings with bold (700) weight and negative tracking, while Kraken-Product (with IBM Plex Sans fallback) serves as the UI workhorse.
Key Characteristics:
- Kraken Purple (
#7132f5) as primary brand with darker variants (#5741d8, #5b1ecf)
- Kraken-Brand (display) + Kraken-Product (UI) dual font system
- Near-black (
#101114) text with cool blue-gray neutral scale
- 12px radius buttons (rounded but not pill)
- Subtle shadows (
rgba(0,0,0,0.03) 0px 4px 24px) — whisper-level
- Green accent (
#149e61) for positive/success states
2. Color Palette & Roles
Primary
- Kraken Purple (
#7132f5): Primary CTA, brand accent, links
- Purple Dark (
#5741d8): Button borders, outlined variants
- Purple Deep (
#5b1ecf): Deepest purple
- Purple Subtle (
rgba(133,91,251,0.16)): Purple at 16% — subtle button backgrounds
- Near Black (
#101114): Primary text
Neutral
- Cool Gray (
#686b82): Primary neutral, borders at 24% opacity
- Silver Blue (
#9497a9): Secondary text, muted elements
- White (
#ffffff): Primary surface
- Border Gray (
#dedee5): Divider borders
Semantic
- Green (
#149e61): Success/positive at 16% opacity for badges
- Green Dark (
#026b3f): Badge text
3. Typography Rules
Font Families
- Display:
Kraken-Brand, fallbacks: IBM Plex Sans, Helvetica, Arial
- UI / Body:
Kraken-Product, fallbacks: Helvetica Neue, Helvetica, Arial
Hierarchy
| Role | Font | Size | Weight | Line Height | Letter Spacing |
|---|
| Display Hero | Kraken-Brand | 48px | 700 | 1.17 | -1px |
| Section Heading | Kraken-Brand | 36px | 700 | 1.22 | -0.5px |
| Sub-heading | Kraken-Brand | 28px | 700 | 1.29 | -0.5px |
| Feature Title | Kraken-Product | 22px | 600 | 1.20 | normal |
| Body | Kraken-Product | 16px | 400 | 1.38 | normal |
| Body Medium | Kraken-Product | 16px | 500 | 1.38 | normal |
| Button | Kraken-Product | 16px | 500–600 | 1.38 | normal |
| Caption | Kraken-Product | 14px | 400–700 | 1.43–1.71 | normal |
| Small | Kraken-Product | 12px | 400–500 | 1.33 | normal |
| Micro | Kraken-Product | 7px | 500 | 1.00 | uppercase |
4. Component Stylings
Buttons
Primary Purple
- Background:
#7132f5
- Text:
#ffffff
- Padding: 13px 16px
- Radius: 12px
Purple Outlined
- Background:
#ffffff
- Text:
#5741d8
- Border:
1px solid #5741d8
- Radius: 12px
Purple Subtle
- Background:
rgba(133,91,251,0.16)
- Text:
#7132f5
- Padding: 8px
- Radius: 12px
White Button
- Background:
#ffffff
- Text:
#101114
- Radius: 10px
- Shadow:
rgba(0,0,0,0.03) 0px 4px 24px
Secondary Gray
- Background:
rgba(148,151,169,0.08)
- Text:
#101114
- Radius: 12px
Badges
- Success:
rgba(20,158,97,0.16) bg, #026b3f text, 6px radius
- Neutral:
rgba(104,107,130,0.12) bg, #484b5e text, 8px radius
Cards
Default Card
- Background:
#ffffff
- Border:
1px solid rgba(148,151,169,0.16)
- Radius:
12px
- Padding:
24px
- Shadow:
rgba(0,0,0,0.03) 0px 4px 24px (subtle lift)
Stat / Metric Card
- Background:
#ffffff, radius 16px, padding 20px 24px
- Title: 12px weight 500
#686b82 (muted)
- Value: 28px weight 700
#101114
- Delta: 12px weight 500 —
#149e61 for positive, #d54848 for negative
Featured / Promotional Card
- Background:
linear-gradient(135deg, #7132f5 0%, #5741d8 100%) (purple gradient)
- Text:
#ffffff, radius 16px, padding 32px
- Subtle inner glow via
box-shadow: inset 0 0 60px rgba(255,255,255,0.08)
- Use sparingly for premium/upgrade prompts
5. Layout Principles
Spacing: 1px, 2px, 3px, 4px, 5px, 6px, 8px, 10px, 12px, 13px, 15px, 16px, 20px, 24px, 25px
Border Radius: 3px, 6px, 8px, 10px, 12px, 16px, 9999px, 50%
6. Depth & Elevation
- Subtle:
rgba(0,0,0,0.03) 0px 4px 24px
- Micro:
rgba(16,24,40,0.04) 0px 1px 4px
7. Do's and Don'ts
Do
- Use Kraken Purple (#7132f5) for CTAs and links
- Apply 12px radius on all buttons
- Use Kraken-Brand for headings, Kraken-Product for body
Don't
- Don't use pill buttons — 12px is the max radius for buttons
- Don't use other purples outside the defined scale
8. Responsive Behavior
Breakpoints: 375px, 425px, 640px, 768px, 1024px, 1280px, 1536px
9. Agent Prompt Guide
Quick Color Reference
- Brand: Kraken Purple (
#7132f5)
- Dark variant:
#5741d8
- Text: Near Black (
#101114)
- Secondary text:
#9497a9
- Background: White (
#ffffff)
Example Component Prompts
- "Create hero: white background. Kraken-Brand 48px weight 700, letter-spacing -1px. Purple CTA (#7132f5, 12px radius, 13px 16px padding)."