Deep Sky Blue
HEX: #00BFFF | Modern Palette
Color Specifications
#00BFFF
0, 191, 255
195°, 100% ,50%
100, 25, 0, 0
About Deep Sky Blue
Deep Sky Blue (#00BFFF) is a color with RGB(0, 191, 255) and HSL(195.1°, 100%, 50%). It is commonly associated with Bold moods. In design, it fits Vivid, Cool styles and is suitable for Text, Button, Accent. Its complementary color is #FF4000, which creates strong contrast. Its triadic palette includes #FF00BF and Lime (#BFFF00). The name comes from Deep Sky Blue (English).
- HEX: #00BFFF
- RGB: 0, 191, 255
- HSL: 195.1°, 100%, 50%
- Mood: Bold
- Style: Vivid, Cool
- Use case: Text, Button, Accent
- Complementary color: #FF4000
- Triadic colors: #FF00BF, Lime (#BFFF00)
- The name comes from Deep Sky Blue (English).
Live Components
Color Palettes
Deep Sky Blue #00BFFF is used in Monochromatic, Neutral + Accent, Analogous, 3 + 1 + 1 palettes, giving designers ready-made combinations for backgrounds, surfaces, accents, and interface elements.
Color Harmonies
Deep Sky Blue #00BFFF pairs with #FF4000 as its complementary color, and #FF00BF and Lime (#BFFF00) in triadic combinations. These harmony relationships help create balanced color combinations for UI, branding, and design work.
Triadic
Three colors equally spaced 120° apart — bold, balanced, and visually rich.
Tetradic (Square)
Four colors at 90° intervals — rich variety, best when one color dominates.
Frequently Asked Questions
Name, History & Etymology
History
The term 'sky blue' has been used for centuries to describe a color. As color science and naming became more precise, variations like 'light sky blue,' 'dark sky blue,' and 'deep sky blue' emerged to differentiate specific shades. 'Deep Sky Blue' gained significant recognition and standardization with its inclusion in the X11 color system, which is widely used in computing. This standardization helped solidify its specific hue and made it a commonly recognized color in digital and web design.
First Recorded Use
While the concept of 'sky blue' is ancient, the specific compound 'Deep Sky Blue' as a distinct color name with a defined hue likely emerged with the standardization of color names in art, fashion, and later, digital contexts. Its inclusion in early color systems and charts points to this period. For instance, it was defined as an X11 color in 1987.
Cultural Associations
As a shade of blue, Deep Sky Blue shares many of the cultural associations of blue in general: tranquility, serenity, openness, vastness, and reliability. Its specific vibrancy and depth often evoke feelings of clarity, optimism, and the boundless potential of a clear, open sky. It is frequently used in branding for technology, travel, and environmental initiatives due to these positive connotations. In fashion, it can be seen as a refreshing and versatile color.
Code Snippets
/* Background */
.element {
background-color: #00BFFF;
}
/* Text */
.element {
color: #00BFFF;
}
/* Border */
.element {
border: 1px solid #00BFFF;
}
/* Linear gradient to complementary */
.element {
background: linear-gradient(
to right,
#00BFFF,
#FF4000
);
}
/* Radial gradient */
.element {
background: radial-gradient(
circle,
#00BFFF,
#FF4000
);
}
// SCSS variable
$deep-sky-blue: #00BFFF;
// With RGB channels (useful for rgba() usage)
$deep-sky-blue-r: 0;
$deep-sky-blue-g: 191;
$deep-sky-blue-b: 255;
// Usage
.element {
background-color: $deep-sky-blue;
color: rgba($deep-sky-blue-r, $deep-sky-blue-g, $deep-sky-blue-b, 0.8);
}