Blue Charcoal

#030B15

General Information about #030B15

The hex color code #030B15 represents a very dark shade of blue, often referred to as "Blue Charcoal." In the RGB color model, it consists of 1.18% red, 4.31% green, and 8.24% blue. This composition indicates a strong dominance of blue, though at extremely low intensity. The color is close to black, possessing minimal luminance. It is often associated with sophistication, depth, and a sense of mystery. In color psychology, dark blues can evoke feelings of calmness and stability, although the extreme darkness of #030B15 might also convey a sense of melancholy or seriousness. This hue is frequently utilized in designs where a subtle and understated color is required, primarily as a background or accent element.

The hex color #030B15, also known as Blue Charcoal, presents significant accessibility challenges due to its very dark nature. Its extremely low luminance results in poor contrast against lighter backgrounds, making it difficult for users with visual impairments to perceive text or graphical elements rendered in this color. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text to ensure readability. #030B15 would likely fail these tests against most standard background colors, necessitating the use of very light foreground colors to achieve acceptable contrast. Web developers should exercise extreme caution when using this color and thoroughly test its contrast with foreground elements to avoid creating accessibility barriers for users. Using color contrast analyzers is highly recommended to ensure compliance with accessibility standards.

Shades

Digital Color Formats

RGB
3 11 21
RGB3 11 21
Red
Green
Blue
HSL
213.33deg 75% 4.71%
213.33754.71HSL
Hue
Saturation
Lightness
HWB
213.33deg 1.18% 91.76%
213.331.1891.76HWB
Hue
Whiteness
Blackness
hex#030B15
rgb3 11 21
hsl213.33deg 75% 4.71%
cmyk85.71% 47.62% 0% 91.76%
hwb213.33deg 1.18% 91.76%
xyz-d650 0 0.01
oklch0.1459 0.0268 249.17
oklab0.1459 -0.01 -0.03
CMYK
85.71% 47.62% 0% 91.76%
85.7147.62091.76CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1459 0.0268 249.17
0.14590.0268249.17LCH
Lightness
Chroma
Hue
OKLAB
0.1459 -0.01 -0.03
0.1459-0.01-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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