Black Rock

#040630

General Information About #040630

The hex color #040630, often referred to as "Black Rock", is a very dark shade of blue-purple. In the RGB color model, it is composed of 1.57% red, 2.35% green, and 18.82% blue. In the CMYK color model, it consists of 92% cyan, 87% magenta, 0% yellow, and 81% black. This indicates that it is primarily a blue-based color with a strong presence of cyan and magenta, contributing to its depth and richness. It is often associated with feelings of sophistication, mystery, and depth. Due to its dark nature, it is best used in combination with lighter colors to provide contrast and visual interest. In branding and design, it can convey a sense of luxury and exclusivity, while in art, it can create dramatic and atmospheric effects.

The hex color #040630, also known as Black Rock, presents significant accessibility challenges. Its very low luminance makes it difficult to perceive against most backgrounds, especially white or light-colored ones. The contrast ratio is extremely poor, failing to meet WCAG (Web Content Accessibility Guidelines) standards for both normal and large text. This means that users with visual impairments, including those with low vision or color blindness, will struggle to read text or distinguish elements using this color. To improve accessibility, it is crucial to pair #040630 with a very light or even white text color. Consider using a color contrast checker to ensure that the combination meets at least the minimum contrast ratio of 4.5:1 for normal text and 3:1 for large text. Avoid using this color for crucial interactive elements without proper contrast, as it can exclude a significant portion of users.

Shades

Digital Color Formats

RGB
4 6 48
RGB4 6 48
Red
Green
Blue
HSL
237.27deg 84.62% 10.2%
237.2784.6210.2HSL
Hue
Saturation
Lightness
HWB
237.27deg 1.57% 81.18%
237.271.5781.18HWB
Hue
Whiteness
Blackness
hex#040630
rgb4 6 48
hsl237.27deg 84.62% 10.2%
cmyk91.67% 87.5% 0% 81.18%
hwb237.27deg 1.57% 81.18%
xyz-d650.01 0 0.03
oklch0.1619 0.0821 270
oklab0.1619 0 -0.08
CMYK
91.67% 87.5% 0% 81.18%
91.6787.5081.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.01 0 0.03
0.0100.03XYZ
X
Y
Z
OKLCH
0.1619 0.0821 270
0.16190.0821270LCH
Lightness
Chroma
Hue
OKLAB
0.1619 0 -0.08
0.16190-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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