Blue Charcoal

#000F0F

General Information

The color #000F0F, also referred to as Blue Charcoal, is a very dark shade of cyan. It is composed of 0% red, 5.9% green, and 5.9% blue. In the RGB color model, it is represented as (0, 15, 15). This color is characterized by its low saturation and luminance values, rendering it a subtle and almost neutral tone. Its hex code #000F0F is often used in digital design to represent a dark, understated color that evokes feelings of sophistication and quietness. The name Blue Charcoal suggests a blend of blue and black, creating a hue reminiscent of charcoal with a slight bluish tint. The color's darkness makes it important to use it carefully in designs, pairing it with lighter colors for readability and visual balance. It is a good color for backgrounds.

The hex color #000f0f, also known as Blue Charcoal, presents significant accessibility challenges due to its very low luminance. With such a dark hue, it is crucial to ensure sufficient contrast when used with text or other interactive elements. A general recommendation is to aim for a contrast ratio of at least 4.5:1 for normal-sized text and 3:1 for large text (14 points bold or 18 points regular). Using this color as a background necessitates light-colored text to meet accessibility standards. Tools like contrast checkers can help to verify that the color pairings adhere to WCAG guidelines. When using this color for decorative purposes, consider its impact on users with visual impairments and provide alternative cues or descriptions where necessary to ensure inclusivity. Avoid using this color as the sole indicator of interactive elements, as users may not be able to distinguish them from the background.

Shades

Digital Color Formats

RGB
0 15 15
RGB0 15 15
Red
Green
Blue
HSL
180deg 100% 2.94%
1801002.94HSL
Hue
Saturation
Lightness
HWB
180deg 0% 94.12%
180094.12HWB
Hue
Whiteness
Blackness
hex#000F0F
rgb0 15 15
hsl180deg 100% 2.94%
cmyk100% 0% 0% 94.12%
hwb180deg 0% 94.12%
xyz-d650 0 0.01
oklch0.1525 0.026 194.81
oklab0.1525 -0.03 -0.01
CMYK
100% 0% 0% 94.12%
1000094.12CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1525 0.026 194.81
0.15250.026194.81LCH
Lightness
Chroma
Hue
OKLAB
0.1525 -0.03 -0.01
0.1525-0.03-0.01LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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