Blue Charcoal

#040E16

General Information

The hexadecimal color code #040E16 represents a very dark shade of blue, often referred to as Blue Charcoal. It's composed of 1.57% red, 5.49% green, and 8.63% blue. In the RGB color space, it is equivalent to (4, 14, 22). Its CMYK representation is (82, 36, 0, 91). This color resides in the cool end of the color spectrum, evoking feelings of calm, depth, and sophistication. Due to its low brightness and saturation, it is often used to create a sense of elegance and mystery. However, due to its low luminance, it should be used carefully in user interfaces to ensure sufficient contrast with text and other elements.

The color #040E16, a deep blue charcoal, presents significant accessibility challenges, especially when used for text or interactive elements. Its extremely low luminance value necessitates careful consideration of contrast ratios. According to WCAG guidelines, sufficient contrast between text and background is crucial for users with visual impairments. To ensure readability, a very light color should be used as the foreground against #040E16. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Tools like contrast checkers can help verify compliance. Additionally, avoid relying solely on color to convey information; use text labels or icons alongside color cues to accommodate users with color vision deficiencies. Thorough testing with assistive technologies is essential to guarantee an inclusive user experience.

Shades

Digital Color Formats

RGB
4 14 22
RGB4 14 22
Red
Green
Blue
HSL
206.67deg 69.23% 5.1%
206.6769.235.1HSL
Hue
Saturation
Lightness
HWB
206.67deg 1.57% 91.37%
206.671.5791.37HWB
Hue
Whiteness
Blackness
hex#040E16
rgb4 14 22
hsl206.67deg 69.23% 5.1%
cmyk81.82% 36.36% 0% 91.37%
hwb206.67deg 1.57% 91.37%
xyz-d650 0 0.01
oklch0.1576 0.024 240.69
oklab0.1576 -0.01 -0.02
CMYK
81.82% 36.36% 0% 91.37%
81.8236.36091.37CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1576 0.024 240.69
0.15760.024240.69LCH
Lightness
Chroma
Hue
OKLAB
0.1576 -0.01 -0.02
0.1576-0.01-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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