Vulcan

#19171B

General Information about #19171B (Vulcan)

The hexadecimal color code #19171B represents a dark, muted shade often described as 'Vulcan'. It falls within the range of very dark grays, leaning slightly towards black. In the RGB color model, #19171B consists of 9.8% red, 9% green, and 10.6% blue. This indicates a near-equal distribution of primary colors, resulting in its neutral, desaturated appearance. The color is commonly associated with sophistication, mystery, and understated elegance. Due to its low luminance value, it's frequently used as a background color or an accent color in design. Its name, 'Vulcan,' evokes imagery of volcanic rock or dark, celestial bodies, further contributing to its enigmatic character. In color theory, #19171B is classified as an achromatic color, lacking distinct hue or saturation.

The hex color #19171B, also known as Vulcan, presents some accessibility challenges, particularly in text-based applications. Its low luminance necessitates careful consideration of contrast ratios. When used as a background color, it's crucial to pair it with a light-colored text to ensure sufficient readability for users, including those with visual impairments. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. Testing with accessibility tools is highly recommended to verify compliance. Furthermore, avoid using #19171B for crucial interactive elements without clear visual cues, as its subtle nature may cause usability issues for users with cognitive disabilities. Providing alternative styling options can also improve accessibility.

Shades

Digital Color Formats

RGB
25 23 27
RGB25 23 27
Red
Green
Blue
HSL
270 8% 9.8%
27089.8HSL
Hue
Saturation
Lightness
HWB
270 9.02% 89.41%
2709.0289.41HWB
Hue
Whiteness
Blackness
hex#19171B
rgb25 23 27
hsl270 8% 9.8%
cmyk7.41% 14.81% 0% 89.41%
hwb270 9.02% 89.41%
xyz0.91 0.9 1.16
CMYK
7.41% 14.81% 0% 89.41%
7.4114.81089.41CMYK
Cyan
Magenta
Yellow
Key
XYZ
0.91 0.9 1.16
0.910.91.16XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons