Blue Charcoal

#040E18

General Information about #040E18

The hex color code #040E18 represents a very dark shade of blue, often referred to as Blue Charcoal. It is composed of 1.57% red, 5.49% green, and 9.41% blue. In the RGB color model, this translates to 4 red, 14 green, and 24 blue. This color is more saturated in the blue spectrum, giving it its characteristic cool tone. Blue Charcoal is often associated with feelings of sophistication, depth, and tranquility. Due to its low lightness value, it appears almost black and is best used as an accent or background color with brighter, contrasting elements to ensure readability and visual appeal. This color family is found frequently in modern design palettes.

The color #040E18, also known as Blue Charcoal, presents significant accessibility challenges due to its very low luminance. Its contrast ratio against a standard white background is critically low, making text and user interface elements rendered in this color difficult to perceive for users with visual impairments. This includes individuals with low vision, color blindness, or those simply viewing the content under brightly lit conditions. To ensure accessibility, it's imperative to pair this color with a significantly lighter color to meet WCAG (Web Content Accessibility Guidelines) contrast requirements. Using tools to check color contrast ratios is highly recommended before deploying #040E18 in a user interface. Consideration should also be given to providing alternative color schemes for users with specific accessibility needs.

Shades

Digital Color Formats

RGB
4 14 24
RGB4 14 24
Red
Green
Blue
HSL
210deg 71.43% 5.49%
21071.435.49HSL
Hue
Saturation
Lightness
HWB
210deg 1.57% 90.59%
2101.5790.59HWB
Hue
Whiteness
Blackness
hex#040E18
rgb4 14 24
hsl210deg 71.43% 5.49%
cmyk83.33% 41.67% 0% 90.59%
hwb210deg 1.57% 90.59%
xyz-d650 0 0.01
oklch0.159 0.0273 246.56
oklab0.159 -0.01 -0.03
CMYK
83.33% 41.67% 0% 90.59%
83.3341.67090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.159 0.0273 246.56
0.1590.0273246.56LCH
Lightness
Chroma
Hue
OKLAB
0.159 -0.01 -0.03
0.159-0.01-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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