Blue Charcoal

#00101B

General Information about Blue Charcoal

The hexadecimal color code #00101B, also known as Blue Charcoal, is a dark and muted shade of blue. It is composed of 0% red, 6.27% green, and 10.59% blue. In the RGB color model, it has values of R:0, G:16, B:27. The corresponding CMYK color code is C:100, M:41, Y:0, K:89, indicating that it's primarily composed of cyan, with smaller amounts of magenta. Blue Charcoal typically evokes feelings of calmness, sophistication, and stability. It is often associated with professionalism and can be used to create a sense of trust and reliability. In design, this color works well as a background or accent color, particularly when paired with lighter hues to create contrast and visual interest.

The hex color #00101B, also known as Blue Charcoal, presents specific accessibility considerations, especially in user interface design. Its dark nature implies that it will require light-colored text to ensure sufficient contrast for readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. This color should be carefully paired with lighter shades to meet these standards, ensuring that users with visual impairments can easily perceive the content. When used for interactive elements like buttons or links, it's crucial to provide clear visual cues on hover, focus, and active states, as the subtle nature of the color could make it challenging for users to distinguish between different states. Consideration must also be given to users with color blindness, where relying solely on color to convey information is not sufficient, and additional cues like icons or labels should be provided.

Shades

Digital Color Formats

RGB
0 16 27
RGB0 16 27
Red
Green
Blue
HSL
204.44deg 100% 5.29%
204.441005.29HSL
Hue
Saturation
Lightness
HWB
204.44deg 0% 89.41%
204.44089.41HWB
Hue
Whiteness
Blackness
hex#00101B
rgb0 16 27
hsl204.44deg 100% 5.29%
cmyk100% 40.74% 0% 89.41%
hwb204.44deg 0% 89.41%
xyz-d650 0 0.01
oklch0.1636 0.0352 235.95
oklab0.1636 -0.02 -0.03
CMYK
100% 40.74% 0% 89.41%
10040.74089.41CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1636 0.0352 235.95
0.16360.0352235.95LCH
Lightness
Chroma
Hue
OKLAB
0.1636 -0.02 -0.03
0.1636-0.02-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons