Custom Color Color: HEX #040B28 Meaning and Live Preview
Explore Custom Color (HEX #040B28), a blue-based color. Discover comprehensive RGB, HSL, CMYK values, color psychology, design inspiration, complementary palettes, and accessibility guidelines for Custom Color.
#040B28
RGB(4, 11, 40)
Quick Copy Color Codes
Color Spaces of #040B28
| Space | V1 | V2 | V3 | V4 |
|---|---|---|---|---|
| RGB | 4 | 11 | 40 | |
| HSL | 0.63 | 0.82 | 0.09 | |
| HSV | 228° | 90° | 16° | |
| CMYK | 0.90 | 0.73 | 0.00 | 0.84 |
| XYZ | 0.553 | 0.418 | 2.059 | |
| Yxy | 0.418 | 0.182 | 0.138 | |
| Hunter Lab | 6.47 | 4.35 | -15.26 | |
| CIE Lab | 3.78 | 6.35 | -19.18 |
Understanding #040b28 Color Theory
Color Temperature
Cool color - Creates calm, professional, and trustworthy feelings. Recedes visually.
Brightness Level
Lightness: 9% - Very dark tone, ideal for text and bold contrast
Saturation
Saturation: 82% - Maximum saturation - Intense and attention-grabbing
Color Psychology & Symbolism of #040b28
Blue is the color of trust, stability, and professionalism. It has a calming effect and is widely used in corporate contexts.
Associated Emotions
Industry Applications
- Corporate branding
- Financial services
- Healthcare
- Technology
- Social media
Cultural Significance
Blue is universally associated with trust, stability, and professionalism, which is why many corporate brands and financial institutions use blue. In many cultures, it represents the sky and ocean, symbolizing depth and wisdom.
Design Applications of #040b28
Web Design
- •Background colors and hero sections
- •Button colors and call-to-action elements
- •Navigation bars and headers
- •Accent colors for links and highlights
- •Form elements and input fields
Graphic Design
- •Logo design and brand identity
- •Poster and flyer backgrounds
- •Social media graphics
- •Infographic elements
- •Business card accents
Other Applications
- •Interior design and wall colors
- •Product packaging design
- •Textile and fashion design
- •Presentation slides and decks
- •Digital illustrations
CSS Code for #040b28
Copy and paste these CSS code snippets to use #040b28 in your web projects.
Accessibility Guidelines for #040b28
Contrast Ratios (WCAG 2.1)
This color provides good contrast with dark text on #040b28 backgrounds.
- • Normal text (under 18pt): minimum 4.5:1 ratio
- • Large text (18pt+ or 14pt+ bold): minimum 3:1 ratio
- • UI components and graphics: minimum 3:1 ratio
Color Blindness Considerations
This color is generally distinguishable for most types of color blindness, but always supplement color coding with additional visual indicators like text, icons, or patterns.
Complete Guide to #040B28 (Custom Color)
#040B28 (Custom Color) is a blue-based color with precise digital coordinates of RGB 4, 11, 40. In the HSL color model, it features a hue of 228°, saturation of 82%, and lightness of 9%, making it dark in overall appearance.
For professional printing applications, #040b28 converts to CMYK values of Cyan: 90%, Magenta: 73%, Yellow: 0%, and Black: 84%. These precise values ensure accurate color reproduction across digital and print media.
When implementing #040b28 in web projects, developers have multiple CSS options. The hexadecimal format (#040b28), RGB notation (rgb(4, 11, 40)), or HSL (hsl(228, 82%, 9%)) all produce identical results. Modern CSS also supports the alpha channel for transparency effects.
To create visually appealing designs with #040b28, consider these color harmony principles: Complementary colors provide maximum contrast, analogous colors create cohesive palettes, and triadic schemes offer balanced variety. Our color wheel tool above demonstrates these relationships.
When using #040b28 in professional design work, maintain consistency across all brand touchpoints. Create a comprehensive style guide documenting primary, secondary, and accent color usage. Follow the 60-30-10 rule: use 60% neutral/dominant color, 30% secondary color, and 10% accent color like #040b28.
#040b28 (Custom Color) adheres to industry color standards including sRGB color space for web display, Adobe RGB for professional photography, and CMYK for print production. While not web-safe, modern displays support over 16 million colors, making #040b28 suitable for contemporary digital design.