Black Rock

#1B0134

About Black Rock (#1B0134)

The hexadecimal color code #1B0134, often referred to as Black Rock, is a very dark shade of purple. It is composed of 10.6% red, 0.39% green, and 20.39% blue. In the RGB (Red, Green, Blue) color model, it is represented as (27, 1, 52). In the CMYK (Cyan, Magenta, Yellow, Key/Black) color model, it is represented as (48, 99, 0, 80). This means it consists of a high percentage of magenta and black, with a moderate amount of cyan. The color is more inclined towards the purple family due to the high value of Blue over Red and Green. It is not a color commonly found in nature, but more likely obtained artificially. Because the color is so dark, it often conveys the sense of depth and mystery.

The hex color #1B0134, also known as Black Rock, presents significant accessibility challenges, particularly in text-based applications. Its extremely low luminance (very dark) results in poor contrast against most background colors, including white. According to WCAG guidelines, sufficient contrast is crucial for readability and usability, especially for individuals with visual impairments. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Black Rock will almost certainly fail these tests against lighter backgrounds. To improve accessibility, consider using Black Rock sparingly, such as for purely decorative elements, or pairing it with a very light color (e.g., a pale yellow or off-white) to achieve an acceptable contrast ratio. Tools such as contrast checkers can help determine if a specific color combination meets accessibility standards. Testing with real users, especially those with visual impairments, is also highly recommended.

Shades

Digital Color Formats

RGB
27 1 52
RGB27 1 52
Red
Green
Blue
HSL
270.59deg 96.23% 10.39%
270.5996.2310.39HSL
Hue
Saturation
Lightness
HWB
270.59deg 0.39% 79.61%
270.590.3979.61HWB
Hue
Whiteness
Blackness
hex#1B0134
rgb27 1 52
hsl270.59deg 96.23% 10.39%
cmyk48.08% 98.08% 0% 79.61%
hwb270.59deg 0.39% 79.61%
xyz-d650.01 0.01 0.03
oklch0.1839 0.0941 301.51
oklab0.1839 0.05 -0.08
CMYK
48.08% 98.08% 0% 79.61%
48.0898.08079.61CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.03
0.010.010.03XYZ
X
Y
Z
OKLCH
0.1839 0.0941 301.51
0.18390.0941301.51LCH
Lightness
Chroma
Hue
OKLAB
0.1839 0.05 -0.08
0.18390.05-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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