Emotion & Mood
Personality & Symbolism
Suitable for accent colors and attention-grabbing elements.
Color Harmonies
Visual Analysis
Technical Values
| HEX | #4B0101 |
|---|---|
| RGB | rgb(75, 1, 1) |
| HSL | hsl(0, 97%, 15%) |
| CMYK | 0%, 99%, 99%, 71% |
| Contrast | Dark |
| CSS | background: #4b0101; |
Accessibility — WCAG Contrast
WCAG 2.1 requires a contrast ratio of ≥4.5:1 for AA (normal text) and ≥7:1 for AAA. Best text color for this background: white (#FFFFFF).
Color Psychology
Color Temperature
This warm-toned color (hue 0°) triggers psychological responses associated with energy, comfort, and action. Warm colors appear to advance towards the viewer, making elements feel closer and more prominent.
Visual Weight
At 15% lightness, this color carries substantial visual weight. Dark colors add perceived importance and gravity to elements. Research shows dark elements are perceived as 10-30% heavier.
Saturation Impact
The high saturation (97%) creates a vibrant, attention-demanding presence. Highly saturated colors are processed faster by the human brain — reaction time decreases by approximately 50ms compared to desaturated variants.
Design Applications
Food & Beverage
Stimulates appetite and conveys urgency — ideal for restaurant branding, food packaging, and sale promotions.
Health & Vitality
Represents life energy and passion — great for fitness brands, health apps, and wellness products.
Dark Theme & UI
Deep tones reduce eye strain in dark mode — perfect for code editors, media players, and night-mode interfaces.
CTAs & Accents
High saturation draws attention — use for primary buttons, notification badges, and important interactive elements.