Black Rock

#04072F

General Information about #04072F

The hexadecimal color code #04072F, often referred to as Black Rock, is a very dark shade of blue. It is composed of 1.57% red, 2.75% green, and 18.43% blue. In the RGB color model, this color is equivalent to (4, 7, 47). Its CMYK representation is (91, 85, 0, 82). Due to its high blue component and very low red and green components, it is perceived as a deep, almost black, shade of blue. Colors like this are often used to evoke feelings of sophistication and mystery. In color theory, such a dark hue is challenging to work with due to its low luminance and requires careful selection of contrasting colors to ensure visibility and readability.

The hex color #04072F, also known as Black Rock, presents significant accessibility challenges due to its extremely dark nature. Its low luminance results in very poor contrast against lighter backgrounds, which is essential for readability and usability. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments, including those with low vision or color blindness. Using #04072F for text or interactive elements without ensuring a very light foreground color would fail accessibility standards. Therefore, it is crucial to use contrast checking tools to verify compliance and consider alternative, lighter color options for improved accessibility. Careful consideration must be given to how this color is implemented to ensure inclusivity for all users. Designers and developers should aim for a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text against its background.

Shades

Digital Color Formats

RGB
4 7 47
RGB4 7 47
Red
Green
Blue
HSL
235.81deg 84.31% 10%
235.8184.3110HSL
Hue
Saturation
Lightness
HWB
235.81deg 1.57% 81.57%
235.811.5781.57HWB
Hue
Whiteness
Blackness
hex#04072F
rgb4 7 47
hsl235.81deg 84.31% 10%
cmyk91.49% 85.11% 0% 81.57%
hwb235.81deg 1.57% 81.57%
xyz-d650.01 0 0.03
oklch0.1631 0.0789 269.63
oklab0.1631 0 -0.08
CMYK
91.49% 85.11% 0% 81.57%
91.4985.11081.57CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1631 0.0789 269.63
0.16310.0789269.63LCH
Lightness
Chroma
Hue
OKLAB
0.1631 0 -0.08
0.16310-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons