Cultural Resonance
A traditional Chinese color with historical roots. Source: "天工开物".
Five Elements
Technical Specs
| HEX | #177CB0 |
|---|---|
| RGB | 23, 124, 176 |
| HSL | 200°, 77%, 39% |
| CMYK | 87%, 30%, 0%, 31% |
Visual Analysis
A medium-dark blue tone (H:200° S:77% L:39%) that is highly saturated, vibrant. It carries the brilliance of ceramic glaze, offering a distinctive presence in any palette.
Color Harmonies
Design Applications
Brand & Identity
"靛青" is particularly suited for technology, finance, and maritime brands. Its specific tonal character (H:200° S:77%) creates a distinctive brand identity that stands apart from generic color choices.
Interior & Spatial
In spatial design, this specific shade excels in modern offices, reading nooks, and coastal interiors. At 39% lightness, it balances visibility and subtlety — ideal for body text containers, sidebar accents, or secondary backgrounds.
Digital & UI
In digital interfaces, consider using "靛青" for navigation bars, links, and trust-building elements. At 39% lightness, it balances visibility and subtlety — ideal for body text containers, sidebar accents, or secondary backgrounds.
Accessibility — WCAG Contrast
WCAG 2.1 requires ≥4.5:1 for AA and ≥7:1 for AAA. Best text color: white (#FFF).
Color Psychology
Color Temperature
Cool-toned (hue 200°), evokes calm and focus. Cool colors recede, creating depth.
Visual Weight
Mid-range lightness (39%) creates balanced presence — works for text and interactive elements.
Saturation Impact
High saturation (77%) demands attention — brain processes ~50ms faster than desaturated variants.