Black Rock

#0D0430

General Information about #0D0430

#0D0430, also referred to as Black Rock, is a very dark shade of blue-purple. It is composed of 5.1% red, 1.6% green, and 18.8% blue. In the RGB color model, it is represented as (13, 4, 48). The hexadecimal color code #0D0430 is commonly used in web design and graphic design to specify colors precisely. This color is often associated with depth, mystery, and sophistication. Due to its low brightness, it's generally used as an accent or background color rather than for text to ensure readability. The color is perceived as calm, stable and harmonic, and is often seen in combination with grey or white tones.

The color #0D0430, also known as Black Rock, presents significant accessibility challenges, especially in web design. Its extremely low luminance value of 0.004 makes it very difficult to read text against a background of this color. According to WCAG (Web Content Accessibility Guidelines) standards, using #0D0430 for text or important UI elements requires very light foreground colors to ensure sufficient contrast. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Developers should avoid using this color for critical information if users might have visual impairments. Careful consideration and testing with accessibility tools are necessary to mitigate these issues and ensure readability for all users. Using lighter shades or tints as background with #0D0430 as accent color improves readability.

Shades

Digital Color Formats

RGB
13 4 48
RGB13 4 48
Red
Green
Blue
HSL
252.27deg 84.62% 10.2%
252.2784.6210.2HSL
Hue
Saturation
Lightness
HWB
252.27deg 1.57% 81.18%
252.271.5781.18HWB
Hue
Whiteness
Blackness
hex#0D0430
rgb13 4 48
hsl252.27deg 84.62% 10.2%
cmyk72.92% 91.67% 0% 81.18%
hwb252.27deg 1.57% 81.18%
xyz-d650.01 0 0.03
oklch0.1662 0.0827 283.45
oklab0.1662 0.02 -0.08
CMYK
72.92% 91.67% 0% 81.18%
72.9291.67081.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1662 0.0827 283.45
0.16620.0827283.45LCH
Lightness
Chroma
Hue
OKLAB
0.1662 0.02 -0.08
0.16620.02-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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