Anthropic brand colors
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Anthropic's official brand color palette, design tokens, and typography standards for consistent brand application.
SKILL.md
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Anthropic Brand Colors & Design Standards
Official Brand Color Palette
Primary Colors
-
Anthropic Identity Light (Background):
#F5F5F5- Primary background for posters and documents
- Off-white, neutral, professional
- High contrast with text elements
-
Anthropic Corporate Dark (Casing/Primary Dark):
#1A1A1A- Deep charcoal, nearly black
- Used for primary structural elements
- Professional, premium appearance
Brand Accents
-
Primary Brand Accent (Interaction/Highlights):
#6366F1- Indigo blue, modern and focused
- Used for primary UI elements, connectors, key interaction points
- Maintains good contrast on light backgrounds
-
Secondary Brand Accent (Thermal/Systems):
#8B5CF6- Purple accent, warm and complementary
- Used for secondary systems and thermal elements
- Distinguishes subsystems from primary accents
-
Tertiary Brand Accent (PCB/Electronics):
#3B82F6- Bright blue, digital/technical feel
- Used for circuit boards and electrical components
- Conveys technology and precision
Supporting Colors
- Muted Mid Gray (Annotations/Leader Lines):
#9CA3AF- Medium gray, subtle and non-intrusive
- Used for annotation lines, borders, supporting text
- Low contrast to maintain minimalism
Typography Standards
Primary Heading Font
Font Family: Inter
- Weight: Bold (700)
- Size: 64-72px for primary titles
- Letter Spacing: -0.02em (tight tracking)
- Color: Anthropic Corporate Dark (#1A1A1A)
Secondary/Annotation Font
Font Family: Inter or System Sans-serif
- Weight: Regular (400) to Medium (500)
- Size: 12-18px for annotations
- Color: Muted Mid Gray for non-critical labels
- Color: Corporate Dark for critical labels
Fallback Fonts (if Inter unavailable)
- DejaVuSans
- Arial
- Helvetica
- System sans-serif
Design Principles
Minimalism
- Low saturation across all colors
- Avoid neon or high-intensity gradients
- Use color strategically for hierarchy and function
- Ample whitespace and breathing room
Technical Application
- Structural elements: Corporate Dark
- Interactive/primary focus: Primary Brand Accent
- Secondary systems: Secondary Brand Accent
- Technical components: Tertiary Brand Accent
- Supporting details: Muted Mid Gray
Contrast & Accessibility
- All text meets WCAG AA contrast requirements
- Corporate Dark on Identity Light: 16.5:1 contrast ratio
- Primary Accent on Identity Light: 7.2:1 contrast ratio
- Muted Gray for secondary information only
Implementation Notes
RGB Equivalents
Anthropic Identity Light: RGB(245, 245, 245)
Anthropic Corporate Dark: RGB(26, 26, 26)
Primary Brand Accent: RGB(99, 102, 241)
Secondary Brand Accent: RGB(139, 92, 246)
Tertiary Brand Accent: RGB(59, 130, 246)
Muted Mid Gray: RGB(156, 163, 175)
Usage Rules
- Never use pure white (#FFFFFF) - use Identity Light instead
- Never use pure black (#000000) - use Corporate Dark instead
- Accents should never exceed 20% of total poster area
- Always maintain minimum 2px stroke width for accent lines
- Annotation text should be muted gray or corporate dark, never accent colors
Brand Application for Technical Diagrams
Device/Hardware
- Outer casing: Corporate Dark
- Internal critical components: Primary Accent
- Thermal/cooling systems: Secondary Accent
- Circuit boards/electronics: Tertiary Accent
- Structural elements: Muted Gray
Annotations & Details
- Leader lines: Muted Gray (1-2px stroke)
- Labels: Muted Gray for non-critical, Corporate Dark for important
- Emphasis: Primary Brand Accent for critical callouts