Blue Charcoal

#030717

General Information about #030717

The hex color #030717, often referred to as Blue Charcoal, is a very dark shade that resides within the blue color family, although its blue undertones are subtle due to its low luminance. In the RGB color model, it consists of 3 parts red, 7 parts green and 23 parts blue. It has a strong emphasis on blue, while red and green remain at a very low value. This color is often associated with sophistication, elegance, and mystery. Its near-black appearance makes it versatile for various design applications where a dark, neutral tone is desired. However, its low luminance poses challenges in terms of accessibility, requiring careful consideration of contrast when used with text or other interface elements. In the world of design, it can be used effectively to make other colors or lighter elements to stand out.

The hex color #030717, also known as Blue Charcoal, presents significant accessibility challenges, primarily due to its extremely low luminance. With such a dark shade, it offers very little contrast against other dark colors, potentially making text or interface elements illegible for users with visual impairments. To ensure inclusivity, it's crucial to pair this color with much lighter shades for foreground elements like text or icons. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text (14pt bold or 18pt regular). Tools like contrast checkers can help evaluate color pairings and ensure they meet WCAG (Web Content Accessibility Guidelines) standards. When using #030717 as a background color, exercise caution and always prioritize providing sufficient contrast with the elements placed on top of it, making sure all users can perceive and understand the information being presented.

Shades

Digital Color Formats

RGB
3 7 23
RGB3 7 23
Red
Green
Blue
HSL
228deg 76.92% 5.1%
22876.925.1HSL
Hue
Saturation
Lightness
HWB
228deg 1.18% 90.98%
2281.1890.98HWB
Hue
Whiteness
Blackness
hex#030717
rgb3 7 23
hsl228deg 76.92% 5.1%
cmyk86.96% 69.57% 0% 90.98%
hwb228deg 1.18% 90.98%
xyz-d650 0 0.01
oklch0.1341 0.0374 265.99
oklab0.1341 0 -0.04
CMYK
86.96% 69.57% 0% 90.98%
86.9669.57090.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0 0 0.01
000.01XYZ
X
Y
Z
OKLCH
0.1341 0.0374 265.99
0.13410.0374265.99LCH
Lightness
Chroma
Hue
OKLAB
0.1341 0 -0.04
0.13410-0.04LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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