Blue Charcoal

#001011

General Information about Blue Charcoal (#001011)

The hex color code #001011, also known as Blue Charcoal, represents a very dark shade of cyan. It's composed of 0% red, 6.27% green, and 6.67% blue. In the RGB color model, this translates to (0, 16, 17). This color is often associated with feelings of calmness, sophistication, and depth due to its resemblance to dark blue and gray tones. Because of its low lightness value, #001011 is typically used as a background color or an accent color, particularly in designs where a subtle, understated look is desired. It's commonly found in web design, graphic design, and even interior decoration, where it can provide a sense of elegance and tranquility. However, its low brightness requires careful consideration of color contrast to ensure readability and accessibility, especially in text elements.

The hex color #001011, also known as Blue Charcoal, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it demands light-colored text to ensure readability. According to WCAG guidelines, sufficient contrast is crucial for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Given the darkness of #001011, developers should carefully select text colors to meet these standards. Tools like contrast checkers can help in verifying compliance. Furthermore, avoid using this color for essential UI elements or interactive components unless a very high contrast ratio is achieved with the foreground elements. It is recommended to perform accessibility testing with users to ensure the color scheme is usable for a diverse audience.

Shades

Digital Color Formats

RGB
0 16 17
RGB0 16 17
Red
Green
Blue
HSL
183.53deg 100% 3.33%
183.531003.33HSL
Hue
Saturation
Lightness
HWB
183.53deg 0% 93.33%
183.53093.33HWB
Hue
Whiteness
Blackness
hex#001011
rgb0 16 17
hsl183.53deg 100% 3.33%
cmyk100% 5.88% 0% 93.33%
hwb183.53deg 0% 93.33%
xyz-d650 0 0.01
oklch0.1572 0.0267 199.39
oklab0.1572 -0.03 -0.01
CMYK
100% 5.88% 0% 93.33%
1005.88093.33CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1572 0.0267 199.39
0.15720.0267199.39LCH
Lightness
Chroma
Hue
OKLAB
0.1572 -0.03 -0.01
0.1572-0.03-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons