Black Rock

#00002F

General Information about #00002F

The hexadecimal color code #00002F, also known as Black Rock, is a dark shade of blue. It is composed of 0% red, 0% green, and 18.4% blue. In the RGB color space, it has the values R:0, G:0, B:47. In the CMYK color space, its composition is C:1, M:1, Y:0, K:0.82, indicating a high level of black. The color is perceived as a very dark, almost black, shade of blue. Hexadecimal color codes are widely used in web design and digital graphics to specify colors precisely. Understanding the composition of a color in terms of RGB and CMYK values is helpful for different applications, such as screen display (RGB) and print (CMYK). Black Rock's dark nature suggests it would be best used as an accent or background color rather than for primary text due to readability concerns.

The hex color #00002F, often referred to as Black Rock, presents significant accessibility challenges. Its extremely low luminance results in very poor contrast against typical light-colored backgrounds, such as white or light gray. This lack of contrast makes it difficult for users with visual impairments, including those with low vision or color blindness, to read text or distinguish graphical elements using this color. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. #00002F fails to meet these criteria against almost any light background. Therefore, it is strongly discouraged to use this color for text, important icons, or interactive elements without careful consideration and testing. To improve accessibility, consider using a much lighter color or pairing #00002F with a very light, high-contrast background.

Shades

Digital Color Formats

RGB
0 0 47
RGB0 0 47
Red
Green
Blue
HSL
240deg 100% 9.22%
2401009.22HSL
Hue
Saturation
Lightness
HWB
240deg 0% 81.57%
240081.57HWB
Hue
Whiteness
Blackness
hex#00002F
rgb0 0 47
hsl240deg 100% 9.22%
cmyk100% 100% 0% 81.57%
hwb240deg 0% 81.57%
xyz-d650.01 0 0.03
oklch0.138 0.0956 264.07
oklab0.138 -0.01 -0.1
CMYK
100% 100% 0% 81.57%
100100081.57CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.138 0.0956 264.07
0.1380.0956264.07LCH
Lightness
Chroma
Hue
OKLAB
0.138 -0.01 -0.1
0.138-0.01-0.1LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons