Blue Charcoal

#000A1E

General Information about #000A1E

The hexadecimal color code #000A1E, often referred to as Blue Charcoal, is a dark, muted shade of blue. It is composed of 0% red, 3.92% green, and 11.76% blue. This color falls into the category of very dark blues and is often associated with sophistication, depth, and tranquility. In the RGB color model, #000A1E has the decimal values of 0 for red, 10 for green, and 30 for blue. In the HSL (hue, saturation, lightness) model, it has a hue angle of 216 degrees, a saturation of 100%, and a lightness of 6%. This color is commonly used in designs where a subtle, dark background is desired, such as in websites, graphic designs, and even interior decoration.

The hex color #000a1e, also known as Blue Charcoal, presents some accessibility challenges, primarily due to its low luminance. When used as a background color, it requires very light text (ideally white or near-white) to ensure sufficient contrast for readability. According to WCAG guidelines, the contrast ratio between the text and background should be at least 4.5:1 for normal text and 3:1 for large text (14pt bold or 18pt regular). Using a color like #000a1e without careful consideration of text color can result in content that is difficult or impossible for users with visual impairments to read. Designers should use contrast checking tools to verify compliance. Moreover, avoid using this color for crucial interactive elements unless accompanied by clear visual cues beyond color alone. Consider alternative color combinations or adjustments to the hue, saturation, or brightness to improve accessibility.

Shades

Digital Color Formats

RGB
0 10 30
RGB0 10 30
Red
Green
Blue
HSL
220deg 100% 5.88%
2201005.88HSL
Hue
Saturation
Lightness
HWB
220deg 0% 88.24%
220088.24HWB
Hue
Whiteness
Blackness
hex#000A1E
rgb0 10 30
hsl220deg 100% 5.88%
cmyk100% 66.67% 0% 88.24%
hwb220deg 0% 88.24%
xyz-d650 0 0.01
oklch0.147 0.0483 254.94
oklab0.147 -0.01 -0.05
CMYK
100% 66.67% 0% 88.24%
10066.67088.24CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.147 0.0483 254.94
0.1470.0483254.94LCH
Lightness
Chroma
Hue
OKLAB
0.147 -0.01 -0.05
0.147-0.01-0.05LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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