Vulcan

#17151F

General Information about #17151F

#17151F, also known as Vulcan, is a very dark, desaturated shade of purple. It belongs to the family of dark neutral colors, often perceived as mysterious, sophisticated, and somewhat somber. In the RGB color model, its composition consists of 9.02% red, 8.24% green, and 12.16% blue. When represented in the CMYK color model, it comprises 25.89% cyan, 32.24% magenta, 0% yellow, and 87.84% black. This color is commonly found in designs where a sense of depth or understated elegance is desired. It's important to note that due to its dark nature, careful consideration must be given to ensure accessibility when using this color, especially in applications involving text or interactive elements. The color may also be described as a very dark grey, and in some cases is considered black.

The hex color #17151F, also known as Vulcan, presents significant accessibility challenges due to its low luminance. Its dark nature results in very poor contrast against standard light backgrounds (like white or light gray). This makes it difficult for users with visual impairments, including those with low vision or color blindness, to distinguish text or interface elements rendered in this color. Web Content Accessibility Guidelines (WCAG) emphasize the importance of sufficient contrast ratios (ideally 4.5:1 for standard text and 3:1 for large text) to ensure readability. Using #17151F with light text is not recommended without careful consideration of contrast. To improve accessibility, consider using a much lighter text color or implementing a higher contrast ratio by choosing a much brighter background color. Tools like contrast checkers can help assess and adjust color pairings for optimal accessibility. It's crucial to prioritize inclusivity by selecting color combinations that accommodate a wide range of users, including those with disabilities.

Shades

Digital Color Formats

RGB
23 21 31
RGB23 21 31
Red
Green
Blue
HSL
252deg 19.23% 10.2%
25219.2310.2HSL
Hue
Saturation
Lightness
HWB
252deg 8.24% 87.84%
2528.2487.84HWB
Hue
Whiteness
Blackness
hex#17151F
rgb23 21 31
hsl252deg 19.23% 10.2%
cmyk25.81% 32.26% 0% 87.84%
hwb252deg 8.24% 87.84%
xyz-d650.01 0.01 0.01
oklch0.2029 0.0199 293.7
oklab0.2029 0.01 -0.02
CMYK
25.81% 32.26% 0% 87.84%
25.8132.26087.84CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.2029 0.0199 293.7
0.20290.0199293.7LCH
Lightness
Chroma
Hue
OKLAB
0.2029 0.01 -0.02
0.20290.01-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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