Vulcan

#151620

General Information about #151620

The hexadecimal color code #151620 represents a very dark shade of grayish-blue in the RGB color model. It is composed of 8.24% red, 8.63% green, and 12.55% blue. In the CMYK color model, it consists of 34.34% cyan, 31.18% magenta, 0% yellow, and 87.45% black. This color is often described as 'Vulcan' due to its dark, somber, and somewhat mysterious quality, reminiscent of volcanic rock or deep space. Colors like #151620 are commonly used in designs where a sense of sophistication, depth, or understated elegance is desired. They work well as background colors, accents, or to create a visual hierarchy that draws attention to brighter or more colorful elements. The hex code #151620 is a very neutral color, and as such works in many design contexts.

The color #151620, also known as Vulcan, presents significant accessibility challenges, particularly in text-based contexts. Due to its very dark nature and low luminance, it offers extremely poor contrast against standard light backgrounds, such as white or pale yellow. This lack of contrast makes text rendered in this color exceedingly difficult to read for individuals with low vision or color vision deficiencies. To improve accessibility, it is crucial to pair #151620 with significantly lighter colors that meet WCAG (Web Content Accessibility Guidelines) contrast ratio requirements. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text. Using tools to check color contrast is highly advisable to ensure compliance and enhance usability for all users. Furthermore, avoid using #151620 for essential visual elements or interactive components without proper contrast, as it can lead to a frustrating user experience.

Shades

Digital Color Formats

RGB
21 22 32
RGB21 22 32
Red
Green
Blue
HSL
234.55deg 20.75% 10.39%
234.5520.7510.39HSL
Hue
Saturation
Lightness
HWB
234.55deg 8.24% 87.45%
234.558.2487.45HWB
Hue
Whiteness
Blackness
hex#151620
rgb21 22 32
hsl234.55deg 20.75% 10.39%
cmyk34.37% 31.25% 0% 87.45%
hwb234.55deg 8.24% 87.45%
xyz-d650.01 0.01 0.01
oklch0.204 0.02 280.02
oklab0.204 0 -0.02
CMYK
34.37% 31.25% 0% 87.45%
34.3731.25087.45CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.204 0.02 280.02
0.2040.02280.02LCH
Lightness
Chroma
Hue
OKLAB
0.204 0 -0.02
0.2040-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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