Black Rock

#150A2A

General Information about #150A2A

The hexadecimal color code #150A2A represents a very dark, muted shade of purple. It is often described as a deep, inky color that evokes a sense of mystery and sophistication. In the RGB color model, it consists of 8.24% red, 3.92% green, and 16.47% blue. This color is generally perceived as cool and somber. It falls within the purple-blue spectrum but leans heavily towards the darker end of the scale. The name "Black Rock" suggests a connection to natural elements, hinting at the color of dark, weathered stone. This color is suitable for applications where a subtle, understated, yet impactful aesthetic is desired. However, its low luminance presents challenges in terms of accessibility, particularly when used for text or interactive elements. Further color adjustments may be needed depending on the context.

The color #150A2A, also known as Black Rock, presents significant accessibility challenges, particularly in text-based applications. Its extremely low luminance value results in very poor contrast against common background colors like white. This lack of contrast makes text rendered in this color difficult to read, especially for users with visual impairments. According to WCAG guidelines, sufficient contrast is crucial for ensuring readability. 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. To improve accessibility, consider using lighter text colors on a Black Rock background or, conversely, using Black Rock for backgrounds with substantially lighter text. Tools like contrast checkers can accurately evaluate the color combinations and ensure compliance with accessibility standards, leading to a better user experience for all individuals.

Shades

Digital Color Formats

RGB
21 10 42
RGB21 10 42
Red
Green
Blue
HSL
260.63deg 61.54% 10.2%
260.6361.5410.2HSL
Hue
Saturation
Lightness
HWB
260.63deg 3.92% 83.53%
260.633.9283.53HWB
Hue
Whiteness
Blackness
hex#150A2A
rgb21 10 42
hsl260.63deg 61.54% 10.2%
cmyk50% 76.19% 0% 83.53%
hwb260.63deg 3.92% 83.53%
xyz-d650.01 0.01 0.02
oklch0.1824 0.0622 295.39
oklab0.1824 0.03 -0.06
CMYK
50% 76.19% 0% 83.53%
5076.19083.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0.01 0.02
0.010.010.02XYZ
X
Y
Z
OKLCH
0.1824 0.0622 295.39
0.18240.0622295.39LCH
Lightness
Chroma
Hue
OKLAB
0.1824 0.03 -0.06
0.18240.03-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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