Design System: Kraken

Hermes Agent — Implementation Notes

The original site uses proprietary fonts. For self-contained HTML output, use these CDN substitutes:

• Primary: Inter | Mono: system monospace stack
• Font stack (CSS): font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
• Mono stack (CSS): font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;

htmlCopy

<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap" rel="stylesheet">

Use write_file to create HTML, serve via generative-widgets skill (cloudflared tunnel). Verify visual accuracy with browser_vision after generating.

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

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)."