Vulcan

#171123

General Information about #171123 (Vulcan)

The hexadecimal color code #171123, known as Vulcan, represents a very dark shade of blue-purple. It's composed of 9.02% red, 6.67% green, and 13.73% blue. In the RGB color model, this translates to 23 red, 17 green, and 35 blue. In the CMYK color model, it consists of 34% cyan, 51% magenta, 0% yellow, and 86% black. This color is often perceived as mysterious, sophisticated, and reserved, evoking feelings of depth and intrigue. Due to its low luminance value of approximately 3, it is considered a very dark color, and its use requires careful consideration of contrast to ensure readability and accessibility.

The hex color #171123, also known as Vulcan, presents significant accessibility challenges, primarily due to its low luminance. Its dark nature results in very low contrast against standard white backgrounds, making it difficult for individuals with visual impairments to discern text or elements using this color. Web Content Accessibility Guidelines (WCAG) recommend a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Vulcan falls far short of these recommendations, necessitating careful consideration of foreground colors. Using lighter text colors like whites, light grays, or even certain vibrant hues can improve readability. Additionally, providing alternative visual cues such as icons or borders can further enhance accessibility for all users. When using Vulcan for backgrounds, sufficient padding and spacing around elements is crucial to prevent content from feeling cramped or overwhelming.

Shades

Digital Color Formats

RGB
23 17 35
RGB23 17 35
Red
Green
Blue
HSL
260deg 34.62% 10.2%
26034.6210.2HSL
Hue
Saturation
Lightness
HWB
260deg 6.67% 86.27%
2606.6786.27HWB
Hue
Whiteness
Blackness
hex#171123
rgb23 17 35
hsl260deg 34.62% 10.2%
cmyk34.29% 51.43% 0% 86.27%
hwb260deg 6.67% 86.27%
xyz-d650.01 0.01 0.02
oklch0.195 0.0363 298.31
oklab0.195 0.02 -0.03
CMYK
34.29% 51.43% 0% 86.27%
34.2951.43086.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.02
0.010.010.02XYZ
X
Y
Z
OKLCH
0.195 0.0363 298.31
0.1950.0363298.31LCH
Lightness
Chroma
Hue
OKLAB
0.195 0.02 -0.03
0.1950.02-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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