Vulcan

#171519

General Information about #171519 (Vulcan)

The hex color code #171519, often referred to as "Vulcan," is a very dark shade of gray. It belongs to the family of achromatic colors, which are characterized by the absence of strong hues. In the RGB color model, it is composed of 9.02% red, 8.24% green, and 9.8% blue. In the CMYK color model, it consists of 8% cyan, 16% magenta, 0% yellow, and 90% black. This color is often associated with sophistication, modernity, and a sense of understated elegance. In branding and design, it is often used to create a sense of seriousness, strength, or high-tech appeal. Because it is a very dark color, care needs to be taken to ensure that the foreground color meets accessibility requirements.

The hex color #171519, also known as Vulcan, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it necessitates very light text to ensure readability. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When using #171519, careful consideration must be given to the foreground text color to meet these standards. Tools are available online to check color contrast ratios and verify compliance. Failure to provide adequate contrast can exclude users and hinder their ability to access content effectively. Designers and developers should prioritize accessibility by selecting color combinations that are both visually appealing and meet accessibility requirements. Also, avoid using color alone to convey important information.

Shades

Digital Color Formats

RGB
23 21 25
RGB23 21 25
Red
Green
Blue
HSL
270deg 8.7% 9.02%
2708.79.02HSL
Hue
Saturation
Lightness
HWB
270deg 8.24% 90.2%
2708.2490.2HWB
Hue
Whiteness
Blackness
hex#171519
rgb23 21 25
hsl270deg 8.7% 9.02%
cmyk8% 16% 0% 90.2%
hwb270deg 8.24% 90.2%
xyz-d650.01 0.01 0.01
oklch0.1998 0.0085 307.9
oklab0.1998 0.01 -0.01
CMYK
8% 16% 0% 90.2%
816090.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.1998 0.0085 307.9
0.19980.0085307.9LCH
Lightness
Chroma
Hue
OKLAB
0.1998 0.01 -0.01
0.19980.01-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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