Black Rock

#0B0331

General Information about #0B0331

The hexadecimal color code #0B0331 represents a very dark shade of blue-purple, often referred to as 'Black Rock'. It is composed of 4.3% red, 1.2% green, and 19.2% blue. In the RGB color model, this translates to R:11, G:3, B:49. The corresponding CMYK color code is C:78%, M:94%, Y:0%, K:81%. This color is best described as a deep, muted, and almost black hue with subtle undertones of blue and purple. Due to its darkness, #0B0331 has a very low perceived brightness, making it suitable for applications where a subtle and understated color is desired. Its hex code is also known as a web color.

The hex color #0B0331, also known as Black Rock, presents significant accessibility challenges, particularly in text-based applications. Its extremely low luminance results in very poor contrast against white or light backgrounds, making it difficult for users, especially those with visual impairments, to read text rendered in this color. According to WCAG guidelines, sufficient contrast ratios are crucial for ensuring readability and usability. To improve accessibility, it's recommended to pair #0B0331 with very light or bright colors. Furthermore, avoid using this color for critical information or interactive elements without careful consideration of contrast. Tools like contrast checkers can help determine if color combinations meet accessibility standards. Always prioritize providing alternative ways to convey information, such as using icons or descriptive labels, to accommodate users with diverse visual needs.

Shades

Digital Color Formats

RGB
11 3 49
RGB11 3 49
Red
Green
Blue
HSL
250.43deg 88.46% 10.2%
250.4388.4610.2HSL
Hue
Saturation
Lightness
HWB
250.43deg 1.18% 80.78%
250.431.1880.78HWB
Hue
Whiteness
Blackness
hex#0B0331
rgb11 3 49
hsl250.43deg 88.46% 10.2%
cmyk77.55% 93.88% 0% 80.78%
hwb250.43deg 1.18% 80.78%
xyz-d650.01 0 0.03
oklch0.1629 0.0864 280.84
oklab0.1629 0.02 -0.08
CMYK
77.55% 93.88% 0% 80.78%
77.5593.88080.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1629 0.0864 280.84
0.16290.0864280.84LCH
Lightness
Chroma
Hue
OKLAB
0.1629 0.02 -0.08
0.16290.02-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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