Emotion & Mood
Personality & Symbolism
Suitable for accent colors and attention-grabbing elements.
Color Harmonies
Visual Analysis
Technical Values
| HEX | #00008B |
|---|---|
| RGB | rgb(0, 0, 139) |
| HSL | hsl(240, 100%, 27%) |
| CMYK | 100%, 100%, 0%, 45% |
| Contrast | Dark |
| CSS | background: #00008b; |
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 cool-toned color (hue 240°) evokes feelings of calm, trust, and intellectual focus. Cool colors tend to recede visually, creating depth and spaciousness in layouts.
Visual Weight
At 27% 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 (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
Corporate & Enterprise
Communicates trust and professionalism — the top choice for corporate sites, legal firms, and B2B SaaS.
Government & Institutions
Authority and dependability — frequently used for government portals, educational institutions, and official communications.
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.