Black Rock

#0D0A2B

General Information About Black Rock (#0D0A2B)

The hex color #0D0A2B, also known as Black Rock, is a very dark shade of blue-gray. In the RGB color model, it consists of 5.1% red, 4% green, and 17.1% blue. In the CMYK color model, it is composed of 70.4% cyan, 76.7% magenta, 0% yellow, and 82.9% black. This color is often associated with feelings of sophistication, mystery, and depth. It is commonly used in designs where a sense of formality or elegance is desired. Its hexadecimal representation makes it easy to use in digital design and web development. The low lightness value of this color makes it unsuitable for use as a primary text color on light backgrounds without careful consideration of contrast ratios.

The hex color #0D0A2B, also known as Black Rock, presents accessibility challenges, especially when used for text or interactive elements. Its low lightness value results in poor contrast against white or light backgrounds, making it difficult for users with visual impairments to read or distinguish content. To improve accessibility, consider using this color sparingly, pairing it with very light colors, or applying established contrast ratio guidelines (WCAG) to ensure sufficient contrast. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Providing alternative high-contrast themes or allowing users to adjust color schemes can also enhance accessibility. Adequate color contrast benefits all users, including those with low vision, color blindness, or who are viewing the content in bright sunlight.

Shades

Digital Color Formats

RGB
13 10 43
RGB13 10 43
Red
Green
Blue
HSL
245.45deg 62.26% 10.39%
245.4562.2610.39HSL
Hue
Saturation
Lightness
HWB
245.45deg 3.92% 83.14%
245.453.9283.14HWB
Hue
Whiteness
Blackness
hex#0D0A2B
rgb13 10 43
hsl245.45deg 62.26% 10.39%
cmyk69.77% 76.74% 0% 83.14%
hwb245.45deg 3.92% 83.14%
xyz-d650.01 0 0.02
oklch0.174 0.0643 281.48
oklab0.174 0.01 -0.06
CMYK
69.77% 76.74% 0% 83.14%
69.7776.74083.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.174 0.0643 281.48
0.1740.0643281.48LCH
Lightness
Chroma
Hue
OKLAB
0.174 0.01 -0.06
0.1740.01-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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