Blue Charcoal

#011318

General Information about #011318

The hexadecimal color code #011318 represents a very dark shade of cyan or blue-green. It is often described as Blue Charcoal, owing to its similarity to the color of charcoal with a subtle blue undertone. In the RGB color model, #011318 is composed of 0.4% red, 7.5% green, and 9.4% blue. This composition results in a dark, muted color with very low luminance. Hexadecimal color codes are widely used in web design and digital graphics for specifying colors precisely. Understanding the RGB values helps in comprehending how the color is constructed and can be adjusted or modified in various design applications.

The hex color #011318, often referred to as Blue Charcoal, presents significant accessibility challenges. Its extremely low luminance value means that text rendered in this color on a white background, or vice versa, will likely fail WCAG contrast ratio requirements. Specifically, the contrast ratio is far below the minimum thresholds for both normal text (4.5:1) and large text (3:1). To ensure accessibility, it is crucial to avoid using #011318 for text or interactive elements without careful consideration. When using this color for design, provide adequate contrast by pairing it with very light colors. Alternative color combinations that meet accessibility standards should always be prioritized for optimal user experience.

Shades

Digital Color Formats

RGB
1 19 24
RGB1 19 24
Red
Green
Blue
HSL
193.04deg 92% 4.9%
193.04924.9HSL
Hue
Saturation
Lightness
HWB
193.04deg 0.39% 90.59%
193.040.3990.59HWB
Hue
Whiteness
Blackness
hex#011318
rgb1 19 24
hsl193.04deg 92% 4.9%
cmyk95.83% 20.83% 0% 90.59%
hwb193.04deg 0.39% 90.59%
xyz-d650 0.01 0.01
oklch0.1728 0.0288 216.22
oklab0.1728 -0.02 -0.02
CMYK
95.83% 20.83% 0% 90.59%
95.8320.83090.59CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0.01 0.01
00.010.01XYZ
X
Y
Z
OKLCH
0.1728 0.0288 216.22
0.17280.0288216.22LCH
Lightness
Chroma
Hue
OKLAB
0.1728 -0.02 -0.02
0.1728-0.02-0.02LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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