#150B0B Optophobia
#150B0B (Optophobia) RGB value is (21, 11, 11).
Red value is 21, green value is 11, and blue value is 11.
Cylindrical-coordinate representations (HSL) of color #150B0B: hue: 0°, saturation: 31.3%, and lightness: 6.3%.
Process color (CMYK) of #150B0B is 0%, 47.6%, 47.6%, 91.8%. Web safe color equivalent of #150B0B is ##000000. Color #150B0B contains mainly Black.
Color Spaces
| Color spaces of #150B0B | Value |
|---|---|
| RGB | 21, 11, 11 |
| HSL | 0°, 31.3%, 6.3% |
| HSV / HSB | 0°, 47.6%, 8.2% |
| CMYK | 0%, 47.6%, 47.6%, 91.8% |
| XYZ | 0.49, 0.42, 0.37 |
Base Numbers
| Base | Red | Green | Blue |
|---|---|---|---|
| Binary | 00010101 | 00001011 | 00001011 |
| Octal | 025 | 013 | 013 |
| Decimal | 21 | 11 | 11 |
| Hex | 15 | 0B | 0B |
Shades of #150B0B
Tints of #150B0B
.mybgColor { background-color: #150B0B; }
.myforeColor { color: #150B0B; }
.myborderColor { border: 3px solid #150B0B; }
<p style="color:#150B0B">Text here</p>
This sample text is styled with font color #150B0B. It demonstrates typography contrast and readability for Web Content Accessibility Guidelines.
<div style="background-color:#150B0B">Div content here</div>
<div style="border:3px solid #150B0B">Div here</div>
.textShadowRgb { text-shadow: 4px 4px 2px rgba(21, 11, 11, 0.8); }
.textShadowHex { text-shadow: 4px 4px 2px #150B0B; }
.divShadow { -moz-box-shadow: 1px 1px 3px #150B0B;
-webkit-box-shadow: 1px 1px 3px #150B0B;
box-shadow: 1px 1px 3px #150B0B; }
This text has a CSS3 shadow effect generated with RGB color values.
This text has a CSS3 shadow effect generated with Hex color values.
Related Colors & Harmonies
Detailed Specifications & Design Guide for #150B0B (Optophobia)
Color Overview & Profile: Color #150B0B, also known as Optophobia, is a prominent hue with strong representation in digital UI designs and print graphics. In the sRGB color space, it is composed of 8% Red (21/255), 4% Green (11/255), and 4% Blue (11/255). The primary color family component is Black.
Print & Physical Production Specs: For physical print production and offset printing setups, #150B0B translates into the CMYK subtractive color model with values of 0% Cyan, 47.6% Magenta, 47.6% Yellow, and 91.8% Key (Black). The cylindrical coordinates in the HSL space feature a hue of 0°, saturation of 31.3%, and lightness of 6.3%.
Web Accessibility & Design Recommendations: When implementing #150B0B in web frontend frameworks, ensure sufficient contrast ratios for readability according to WCAG 2.1 standards. The web-safe equivalent hex value for this color is ##000000.