Vulcan

#1B171D

General Information

The hex color code #1B171D, often referred to as 'Vulcan', is a dark, muted shade that resides in the realm of deep grays and blacks. It's composed of 10.6% red, 9% green, and 11.4% blue. In the RGB color space, it represents a relatively low intensity, creating a somber and reserved visual effect. Its CMYK values are C:0.07, M:0.21, Y:0, K:0.89, indicating a high level of black pigment. This color is often associated with sophistication, elegance, and a sense of understated luxury. Colors similar to this are often used in professional settings to evoke a feeling of seriousness and dependability. This dark color is ideal for digital applications to decrease eye strain.

The hex color #1B171D, also known as Vulcan, presents several accessibility considerations for web developers. Its dark nature results in a low contrast ratio with lighter text or background elements, potentially causing readability issues for users with visual impairments. According to WCAG guidelines, sufficient contrast is crucial for ensuring content is perceivable. To meet these standards, developers should use #1B171D with very light text colors, such as white or light grays, and ensure that the contrast ratio meets at least 4.5:1 for normal text and 3:1 for large text. Additionally, consider providing alternative high-contrast themes or allowing users to adjust the color scheme. When using this color for interactive elements, ensure that the color contrast is equally sufficient when the element is in different states (hover, focus, active).

Shades

Digital Color Formats

RGB
27 23 29
RGB27 23 29
Red
Green
Blue
HSL
280deg 11.54% 10.2%
28011.5410.2HSL
Hue
Saturation
Lightness
HWB
280deg 9.02% 88.63%
2809.0288.63HWB
Hue
Whiteness
Blackness
hex#1B171D
rgb27 23 29
hsl280deg 11.54% 10.2%
cmyk6.9% 20.69% 0% 88.63%
hwb280deg 9.02% 88.63%
xyz-d650.01 0.01 0.01
oklch0.212 0.0131 314.46
oklab0.212 0.01 -0.01
CMYK
6.9% 20.69% 0% 88.63%
6.920.69088.63CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.212 0.0131 314.46
0.2120.0131314.46LCH
Lightness
Chroma
Hue
OKLAB
0.212 0.01 -0.01
0.2120.01-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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