Black Rock

#010534

General Information

The hex color code #010534, often referred to as "Black Rock", is a very dark shade of blue. It's composed of 0.39% red, 1.96% green, and 20.39% blue. In the RGB color space, it's represented as (1, 5, 52), indicating the intensity of each primary color component. The corresponding CMYK values are (0.98, 0.90, 0.00, 0.80), reflecting the cyan, magenta, yellow, and key (black) ink percentages needed to reproduce this color in print. Due to its high proportion of blue, it conveys a sense of depth and serenity. However, its darkness can also evoke feelings of mystery and introspection. This color is most often used when a dark, elegant or sophisticated look is desired. It can be considered a near-black color.

The hex color #010534, often referred to as Black Rock, presents significant accessibility challenges, particularly in web design. Its extremely low luminance value results in very poor contrast against almost any background color, including white. This makes it difficult for users with visual impairments, such as those with low vision or color blindness, to perceive text or graphical elements using this color. To ensure accessibility, it is crucial to avoid using #010534 for text or interactive elements without a very light background color that meets WCAG (Web Content Accessibility Guidelines) contrast ratio requirements. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Tools like contrast checkers can help determine if a color combination provides sufficient contrast. Using #010534 sparingly, if at all, and prioritizing sufficient contrast will greatly improve the usability of your website for all users.

Shades

Digital Color Formats

RGB
1 5 52
RGB1 5 52
Red
Green
Blue
HSL
235.29deg 96.23% 10.39%
235.2996.2310.39HSL
Hue
Saturation
Lightness
HWB
235.29deg 0.39% 79.61%
235.290.3979.61HWB
Hue
Whiteness
Blackness
hex#010534
rgb1 5 52
hsl235.29deg 96.23% 10.39%
cmyk98.08% 90.38% 0% 79.61%
hwb235.29deg 0.39% 79.61%
xyz-d650.01 0 0.03
oklch0.1619 0.0917 265.51
oklab0.1619 -0.01 -0.09
CMYK
98.08% 90.38% 0% 79.61%
98.0890.38079.61CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1619 0.0917 265.51
0.16190.0917265.51LCH
Lightness
Chroma
Hue
OKLAB
0.1619 -0.01 -0.09
0.1619-0.01-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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