Black Rock

#0A0A29

General Information About #0A0A29

The hex color code #0A0A29, often referred to as Black Rock, is a very dark shade of blue. It is composed of 3.92% red, 3.92% green, and 16.08% blue. This color falls into the category of very dark saturated blues and is perceptually close to black due to its low luminance. In the RGB color model, #0A0A29 consists of 10 red, 10 green, and 41 blue. Its primary applications lie in areas where a near-black aesthetic with a hint of blue is desired. The hex color #0A0A29 is a very dark color, because the values of red, green and blue are near to zero.

The hex color #0A0A29, also known as Black Rock, presents significant accessibility challenges, particularly in text-based applications. Its extremely low luminance results in very poor contrast against standard white backgrounds. According to WCAG guidelines, the contrast ratio is well below the minimum threshold for even large text, meaning that individuals with visual impairments would struggle to read text rendered in this color. To ensure accessibility, it is crucial to pair #0A0A29 with very light colors, such as whites or pale yellows, to achieve an acceptable contrast ratio. Utilizing tools that measure contrast ratios is essential to validating the accessibility of color combinations involving #0A0A29. Furthermore, avoid using this color for crucial interactive elements without appropriate visual cues or alternative indicators.

Shades

Digital Color Formats

RGB
10 10 41
RGB10 10 41
Red
Green
Blue
HSL
240deg 60.78% 10%
24060.7810HSL
Hue
Saturation
Lightness
HWB
240deg 3.92% 83.92%
2403.9283.92HWB
Hue
Whiteness
Blackness
hex#0A0A29
rgb10 10 41
hsl240deg 60.78% 10%
cmyk75.61% 75.61% 0% 83.92%
hwb240deg 3.92% 83.92%
xyz-d650.01 0 0.02
oklch0.169 0.0616 277.55
oklab0.169 0.01 -0.06
CMYK
75.61% 75.61% 0% 83.92%
75.6175.61083.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.02
0.0100.02XYZ
X
Y
Z
OKLCH
0.169 0.0616 277.55
0.1690.0616277.55LCH
Lightness
Chroma
Hue
OKLAB
0.169 0.01 -0.06
0.1690.01-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons