Blue Charcoal

#030F11

General Information about Blue Charcoal

The color #030F11, also known as Blue Charcoal, is a very dark shade of blue, closely approaching black. In the RGB color model, it is composed of 1.18% red, 5.88% green, and 6.67% blue. This composition results in a hue that is perceived as a muted, deep blue with a subtle coolness. Due to its low saturation and brightness values, Blue Charcoal conveys a sense of calmness, sophistication, and understated elegance. In design, it can be effectively used to create a sense of depth and visual interest without being overly assertive. It's a color that subtly enhances other elements within a composition, making it a valuable asset for designers seeking a refined and sophisticated aesthetic.

The hex color #030F11, also known as Blue Charcoal, presents significant accessibility challenges, particularly for users with visual impairments. Its extremely low luminance value of 0.008 makes it a very dark color, resulting in poor contrast against most background colors, especially white. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. To ensure accessibility, this color should ideally be paired with very light or bright colors to achieve a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. It is imperative to avoid using this color for essential text or interactive elements without careful consideration of contrast to prevent excluding users who require higher contrast levels. Using tools to measure contrast ratios is strongly recommended to ensure compliance with accessibility standards.

Shades

Digital Color Formats

RGB
3 15 17
RGB3 15 17
Red
Green
Blue
HSL
188.57deg 70% 3.92%
188.57703.92HSL
Hue
Saturation
Lightness
HWB
188.57deg 1.18% 93.33%
188.571.1893.33HWB
Hue
Whiteness
Blackness
hex#030F11
rgb3 15 17
hsl188.57deg 70% 3.92%
cmyk82.35% 11.76% 0% 93.33%
hwb188.57deg 1.18% 93.33%
xyz-d650 0 0.01
oklch0.1569 0.0202 207.54
oklab0.1569 -0.02 -0.01
CMYK
82.35% 11.76% 0% 93.33%
82.3511.76093.33CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1569 0.0202 207.54
0.15690.0202207.54LCH
Lightness
Chroma
Hue
OKLAB
0.1569 -0.02 -0.01
0.1569-0.02-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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