Black Rock

#15042A

About Black Rock

The hex color #15042A, often referred to as "Black Rock", is a very dark shade of purple tending towards black. It belongs to the purple color family but has a low saturation and brightness. In the RGB color model, it is composed of 8.24% red, 1.57% green, and 16.47% blue. This color is frequently used in designs aiming for a sophisticated, mysterious, or luxurious feel. Due to its darkness, it can be challenging to use as a primary color, especially for text, as it requires very light contrasting colors to ensure readability. The color depth lends itself well to backgrounds and accents in web design and graphic arts.

The hex color #15042A, also known as Black Rock, presents significant accessibility challenges, particularly for users with visual impairments. Its low luminance value results in poor contrast against lighter backgrounds, making text and other elements difficult to discern. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. To improve accessibility, consider using #15042A with very light text or interface elements. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using contrast checking tools can help ensure compliance. Furthermore, providing alternative text descriptions for images and using ARIA attributes can enhance accessibility for screen reader users. Avoiding the use of color as the sole means of conveying information is also essential.

Shades

Digital Color Formats

RGB
21 4 42
RGB21 4 42
Red
Green
Blue
HSL
266.84deg 82.61% 9.02%
266.8482.619.02HSL
Hue
Saturation
Lightness
HWB
266.84deg 1.57% 83.53%
266.841.5783.53HWB
Hue
Whiteness
Blackness
hex#15042A
rgb21 4 42
hsl266.84deg 82.61% 9.02%
cmyk50% 90.48% 0% 83.53%
hwb266.84deg 1.57% 83.53%
xyz-d650.01 0 0.02
oklch0.1696 0.0744 299.61
oklab0.1696 0.04 -0.06
CMYK
50% 90.48% 0% 83.53%
5090.48083.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.1696 0.0744 299.61
0.16960.0744299.61LCH
Lightness
Chroma
Hue
OKLAB
0.1696 0.04 -0.06
0.16960.04-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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