Black Rock

#0A0030

General Information about #0A0030

The hex color #0A0030, often referred to as Black Rock, is a very dark shade of blue-black. In the RGB color model, it is composed of 3.92% red, 0% green, and 18.82% blue. This composition places it firmly in the blue hue range, although its darkness gives it a near-black appearance. In the CMYK color model, it consists of 79.17% cyan, 100% magenta, 0% yellow, and 81.18% black. This color is often associated with sophistication, mystery, and depth. It can evoke a sense of elegance and is often used in designs that aim to create a sense of drama or luxury. Due to its dark nature, it's essential to use it judiciously, especially in contexts where readability and accessibility are important considerations. The color can be percieved as a very deep, muted purple.

The hex color #0A0030, also known as Black Rock, presents significant accessibility challenges due to its very low luminance. Its dark nature results in poor contrast against light backgrounds, making it difficult for users with visual impairments to discern text or graphical elements. To ensure accessibility, it is crucial to pair this color with very light shades. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using #0A0030 on a white background falls far short of these recommendations. Therefore, it is advisable to avoid using this color for primary text or interactive elements unless sufficient contrast can be achieved through careful color pairing or the use of text shadows and other visual enhancements. Consider alternatives or modifications to improve readability and usability for all users.

Shades

Digital Color Formats

RGB
10 0 48
RGB10 0 48
Red
Green
Blue
HSL
252.5deg 100% 9.41%
252.51009.41HSL
Hue
Saturation
Lightness
HWB
252.5deg 0% 81.18%
252.5081.18HWB
Hue
Whiteness
Blackness
hex#0A0030
rgb10 0 48
hsl252.5deg 100% 9.41%
cmyk79.17% 100% 0% 81.18%
hwb252.5deg 0% 81.18%
xyz-d650.01 0 0.03
oklch0.1525 0.0913 281.58
oklab0.1525 0.02 -0.09
CMYK
79.17% 100% 0% 81.18%
79.17100081.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1525 0.0913 281.58
0.15250.0913281.58LCH
Lightness
Chroma
Hue
OKLAB
0.1525 0.02 -0.09
0.15250.02-0.09LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons