Black Rock

#150030

General Information about #150030

The hexadecimal color code #150030, often referred to as Black Rock, is a very dark shade of purple. It is composed of 8.24% red, 0% green, and 18.82% blue. In the RGB color space, its values are R:21, G:0, B:48. The CMYK representation of this color is C:56, M:100, Y:0, K:81. Colors similar to #150030 are often associated with mystery, sophistication, and the night. Due to its deep saturation and low lightness, it is typically used sparingly to create accents or dramatic effects in design. It is more on the purple than on the black side, making it a unique tone.

The hex color #150030, also known as Black Rock, presents significant accessibility challenges. Its extremely dark nature results in very low contrast against typical light backgrounds, making it difficult for users with visual impairments to discern text or graphical elements. According to WCAG guidelines, this color would likely fail most contrast ratio tests, particularly for small text. To improve accessibility, it is strongly advised to pair #150030 with much lighter colors such as whites, creams, or light yellows. Using larger font sizes and heavier font weights can also marginally improve readability. Avoid using this color for crucial interactive elements or areas requiring precise visual discrimination, as it can create a frustrating and inaccessible experience for many users. Thoroughly test color combinations with accessibility tools to ensure compliance with accessibility standards before deploying designs that incorporate this dark hue.

Shades

Digital Color Formats

RGB
21 0 48
RGB21 0 48
Red
Green
Blue
HSL
266.25deg 100% 9.41%
266.251009.41HSL
Hue
Saturation
Lightness
HWB
266.25deg 0% 81.18%
266.25081.18HWB
Hue
Whiteness
Blackness
hex#150030
rgb21 0 48
hsl266.25deg 100% 9.41%
cmyk56.25% 100% 0% 81.18%
hwb266.25deg 0% 81.18%
xyz-d650.01 0 0.03
oklch0.1675 0.0909 297.15
oklab0.1675 0.04 -0.08
CMYK
56.25% 100% 0% 81.18%
56.25100081.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1675 0.0909 297.15
0.16750.0909297.15LCH
Lightness
Chroma
Hue
OKLAB
0.1675 0.04 -0.08
0.16750.04-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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