Black Rock

#050133

General Information about #050133

The hex color code #050133, often referred to as 'Black Rock', represents a very dark shade of blue, almost appearing black to the naked eye. It is composed of 1.96% red, 0.39% green, and 20% blue. In the RGB color model, this translates to R:5, G:1, B:51. The corresponding CMYK values are C:90, M:99, Y:0, K:80. This color is more saturated in the blue channel, giving it its characteristic dark blue hue. Colors like #050133 are often used to evoke feelings of mystery, sophistication, and depth. The color is rarely found in nature, making it feel artificial and unique. It is often mistaken for black, and only very acute senses of vision can pick up the blue hint.

The color #050133, a very dark shade of blue, presents significant accessibility challenges, particularly in web design. Its extremely low luminance value means that text or elements using this color as a background require very light foreground colors to ensure sufficient contrast. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text to meet WCAG (Web Content Accessibility Guidelines) AA standards. For WCAG AAA, even higher contrast ratios are needed. Therefore, when using #050133, careful consideration must be given to the choice of foreground colors and font sizes to guarantee readability for users, including those with visual impairments. Insufficient contrast can result in content that is difficult or impossible to read, leading to a poor user experience and exclusion. Tools like contrast checkers can help designers make informed decisions.

Shades

Digital Color Formats

RGB
5 1 51
RGB5 1 51
Red
Green
Blue
HSL
244.8deg 96.15% 10.2%
244.896.1510.2HSL
Hue
Saturation
Lightness
HWB
244.8deg 0.39% 80%
244.80.3980HWB
Hue
Whiteness
Blackness
hex#050133
rgb5 1 51
hsl244.8deg 96.15% 10.2%
cmyk90.2% 98.04% 0% 80%
hwb244.8deg 0.39% 80%
xyz-d650.01 0 0.03
oklch0.1543 0.0949 272.69
oklab0.1543 0 -0.09
CMYK
90.2% 98.04% 0% 80%
90.298.04080CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1543 0.0949 272.69
0.15430.0949272.69LCH
Lightness
Chroma
Hue
OKLAB
0.1543 0 -0.09
0.15430-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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