Emotion & Mood
Personality & Symbolism
Suitable for accent colors and attention-grabbing elements.
Color Harmonies
Visual Analysis
Technical Values
| HEX | #FF0000 |
|---|---|
| RGB | rgb(255, 0, 0) |
| HSL | hsl(0, 100%, 50%) |
| CMYK | 0%, 100%, 100%, 0% |
| Contrast | Dark |
| CSS | background: #ff0000; |
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: black (#000000).
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
This mid-range lightness (50%) creates a balanced visual presence — neither heavy nor ethereal. It works well for both text and interactive elements.
Saturation Impact
The high saturation (100%) 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.
CTAs & Accents
High saturation draws attention — use for primary buttons, notification badges, and important interactive elements.