Blue Charcoal

#030B17

General Information about #030B17

The hex color #030B17, often referred to as Blue Charcoal, is a very dark shade of blue with a subtle charcoal undertone. It belongs to the family of cool colors, evoking feelings of tranquility, depth, and sophistication. With low saturation and luminance values, it appears almost black but retains a hint of blue, giving it a unique character. This color is frequently used in design to create a sense of elegance and understated power. It's a popular choice for backgrounds, text, and accents in various digital and print media. It also has a similar hue to black, but is softer to the eyes.

The hex color #030B17, also known as Blue Charcoal, presents significant accessibility challenges, particularly concerning color contrast. When used as a background color, it necessitates very light text colors to ensure readability. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text, as per WCAG guidelines. Insufficient contrast can severely impact users with visual impairments, making it difficult or impossible to distinguish text from the background. Designers should rigorously test color combinations using contrast checkers and consider providing alternative high-contrast themes to accommodate diverse user needs. Careful attention to luminance differences is crucial to create inclusive and accessible digital experiences.

Shades

Digital Color Formats

RGB
3 11 23
RGB3 11 23
Red
Green
Blue
HSL
216deg 76.92% 5.1%
21676.925.1HSL
Hue
Saturation
Lightness
HWB
216deg 1.18% 90.98%
2161.1890.98HWB
Hue
Whiteness
Blackness
hex#030B17
rgb3 11 23
hsl216deg 76.92% 5.1%
cmyk86.96% 52.17% 0% 90.98%
hwb216deg 1.18% 90.98%
xyz-d650 0 0.01
oklch0.1475 0.0304 253.31
oklab0.1475 -0.01 -0.03
CMYK
86.96% 52.17% 0% 90.98%
86.9652.17090.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1475 0.0304 253.31
0.14750.0304253.31LCH
Lightness
Chroma
Hue
OKLAB
0.1475 -0.01 -0.03
0.1475-0.01-0.03LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons