Blue Charcoal

#00071A

General Information about Blue Charcoal (#00071A)

The hexadecimal color code #00071A, also known as Blue Charcoal, is a very dark shade of blue. It is composed of 0% red, 2.7% green, and 10.2% blue. In the RGB color model, it has the values (0, 7, 26). This color is often associated with depth, mystery, and sophistication. Due to its low luminance, it tends to appear almost black. In contexts where color perception is critical, it's essential to consider its limitations, especially in terms of contrast and accessibility. The color falls within the range of cool colors and can evoke a sense of calm and introspection.

The color #00071A, also known as Blue Charcoal, presents significant accessibility challenges, especially in text-based contexts. Its extremely low luminance (very close to black) results in very poor contrast against almost any background color. According to WCAG guidelines, sufficient contrast is crucial for readability and usability, particularly for users with visual impairments. To ensure accessibility, avoid using #00071A for text or interactive elements unless paired with a very light color that provides a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Using color contrast tools is highly recommended to verify compliance. Also, providing alternative cues, such as underlines or icons, can help users who cannot distinguish colors effectively.

Shades

Digital Color Formats

RGB
0 7 26
RGB0 7 26
Red
Green
Blue
HSL
223.85deg 100% 5.1%
223.851005.1HSL
Hue
Saturation
Lightness
HWB
223.85deg 0% 89.8%
223.85089.8HWB
Hue
Whiteness
Blackness
hex#00071A
rgb0 7 26
hsl223.85deg 100% 5.1%
cmyk100% 73.08% 0% 89.8%
hwb223.85deg 0% 89.8%
xyz-d650 0 0.01
oklch0.1327 0.0466 256.76
oklab0.1327 -0.01 -0.05
CMYK
100% 73.08% 0% 89.8%
10073.08089.8CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1327 0.0466 256.76
0.13270.0466256.76LCH
Lightness
Chroma
Hue
OKLAB
0.1327 -0.01 -0.05
0.1327-0.01-0.05LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons