Black Rock

#11052F

General Information about Black Rock

The hex color #11052F, often referred to as 'Black Rock', is a very dark shade of blue-purple. It belongs to the family of saturated colors, but its low brightness brings the overall lightness down to a near-black level. This color is rarely found in nature as a pure pigment, but can be reminiscent of dark stones or deep twilight skies. In the RGB color model, #11052F consists of 6.67% red, 1.96% green, and 19.61% blue. This skewed distribution towards the blue end of the spectrum gives it its characteristic cool tone. In the HSV model, it has a hue angle of 253 degrees, a saturation of 90%, and a value of 20%. The CMYK representation is 96% cyan, 90% magenta, 0% yellow, and 80% black. Due to its darkness, this color can be a good choice for backgrounds when paired with light text, but can pose readability issues when used for text itself on light backgrounds.

The hex color #11052F, also known as Black Rock, presents significant accessibility challenges, particularly in text-based applications. Its very low luminance results in poor contrast against most background colors, including white. This makes it difficult for individuals with visual impairments to read text rendered in this color. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Black Rock falls far short of these recommendations when paired with light backgrounds. To improve accessibility, consider using Black Rock sparingly, particularly for small text. For larger text or decorative elements, ensure it's paired with a much lighter background color that meets the minimum contrast requirements. Alternatively, using it for backgrounds with very light foreground can also be an option. Provide alternative text descriptions for non-text elements using the color to ensure screen reader users understand the content. Tools such as contrast checkers can assess the accessibility of color combinations.

Shades

Digital Color Formats

RGB
17 5 47
RGB17 5 47
Red
Green
Blue
HSL
257.14deg 80.77% 10.2%
257.1480.7710.2HSL
Hue
Saturation
Lightness
HWB
257.14deg 1.96% 81.57%
257.141.9681.57HWB
Hue
Whiteness
Blackness
hex#11052F
rgb17 5 47
hsl257.14deg 80.77% 10.2%
cmyk63.83% 89.36% 0% 81.57%
hwb257.14deg 1.96% 81.57%
xyz-d650.01 0 0.03
oklch0.172 0.079 289.09
oklab0.172 0.03 -0.07
CMYK
63.83% 89.36% 0% 81.57%
63.8389.36081.57CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.172 0.079 289.09
0.1720.079289.09LCH
Lightness
Chroma
Hue
OKLAB
0.172 0.03 -0.07
0.1720.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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