Vulcan

#151719

General Information about #151719

The hex color #151719, also known as Vulcan, is a very dark shade of gray. It belongs to the family of gray colors, which are characterized by their neutral tone. In the RGB color model, #151719 is composed of 8.24% red, 9.02% green, and 9.8% blue. This results in a very low color intensity, which is why it appears so dark. The color is often associated with sophistication, elegance, and a modern aesthetic. Its neutrality makes it versatile and suitable for various applications, including web design, interior design, and fashion. The hexadecimal color code #151719 is used in web development and graphic design to accurately specify this particular shade of gray.

The hex color #151719, also known as Vulcan, presents accessibility challenges due to its low luminance. Its dark nature means that text or interactive elements rendered in this color require careful consideration of contrast ratios. According to WCAG guidelines, sufficient contrast between foreground and background colors is crucial for readability and usability, especially for users with visual impairments. For standard text, a contrast ratio of at least 4.5:1 is recommended, while large text requires a minimum ratio of 3:1. When using #151719, ensure that any text displayed against it is a light color, such as white or a very pale shade of gray, to meet these accessibility standards. Additionally, avoid using this color for critical interface elements without proper contrast, as it could render them invisible or difficult to perceive for some users. Testing with accessibility evaluation tools is highly recommended to validate contrast ratios and overall usability.

Shades

Digital Color Formats

RGB
21 23 25
RGB21 23 25
Red
Green
Blue
HSL
210deg 8.7% 9.02%
2108.79.02HSL
Hue
Saturation
Lightness
HWB
210deg 8.24% 90.2%
2108.2490.2HWB
Hue
Whiteness
Blackness
hex#151719
rgb21 23 25
hsl210deg 8.7% 9.02%
cmyk16% 8% 0% 90.2%
hwb210deg 8.24% 90.2%
xyz-d650.01 0.01 0.01
oklch0.2033 0.0051 248.19
oklab0.2033 0 0
CMYK
16% 8% 0% 90.2%
168090.2CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.2033 0.0051 248.19
0.20330.0051248.19LCH
Lightness
Chroma
Hue
OKLAB
0.2033 0 0
0.203300LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons