Vulcan

#1B131E

General Information about #1B131E

The hex color #1B131E, also known as Vulcan, is a very dark shade of brown. It is composed of 10.6% red, 7.5% green, and 11.8% blue. In the RGB color model, #1B131E consists of 11.84% red, 7.45% green, and 11.76% blue. When converted to the CMYK color model, it becomes 10% cyan, 36% magenta, 0% yellow, and 88% black. This color is often associated with elegance, mystery, and sophistication. It is commonly used in designs where a sense of depth and subtlety is desired. The low saturation of the color makes it suitable for backgrounds or elements where the focus should remain on other brighter or more vibrant colors.

The hex color #1B131E, also known as Vulcan, presents several accessibility considerations for web developers. Its dark hue results in low contrast against similarly dark backgrounds, potentially making text and interactive elements difficult to read for users with visual impairments. According to WCAG guidelines, sufficient contrast ratios are essential for ensuring readability. For normal text (14pt/18px and larger), a contrast ratio of at least 4.5:1 is recommended, while large text (18pt/24px and larger) requires a ratio of 3:1. When using #1B131E, developers should carefully select lighter foreground colors to meet these contrast requirements. Tools like contrast checkers can help evaluate color pairings. Furthermore, relying solely on color to convey information is not advisable. Incorporating alternative cues, such as text labels or icons, can enhance accessibility for colorblind users.

Shades

Digital Color Formats

RGB
27 19 30
RGB27 19 30
Red
Green
Blue
HSL
283.64deg 22.45% 9.61%
283.6422.459.61HSL
Hue
Saturation
Lightness
HWB
283.64deg 7.45% 88.24%
283.647.4588.24HWB
Hue
Whiteness
Blackness
hex#1B131E
rgb27 19 30
hsl283.64deg 22.45% 9.61%
cmyk10% 36.67% 0% 88.24%
hwb283.64deg 7.45% 88.24%
xyz-d650.01 0.01 0.01
oklch0.2021 0.0246 316.63
oklab0.2021 0.02 -0.02
CMYK
10% 36.67% 0% 88.24%
1036.67088.24CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.01
0.010.010.01XYZ
X
Y
Z
OKLCH
0.2021 0.0246 316.63
0.20210.0246316.63LCH
Lightness
Chroma
Hue
OKLAB
0.2021 0.02 -0.02
0.20210.02-0.02LAB
Lightness
Green–Red
Blue–Yellow

Alternative colors

Applications

Complementary color

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