Cello

#1B3A61

General Information about #1B3A61

The hex color #1B3A61, often referred to as 'Cello,' is a dark, muted shade of blue that evokes feelings of depth, sophistication, and tranquility. In the RGB color model, it consists of 11.8% red, 22.7% green, and 38% blue. This combination creates a cool, understated hue that can be used in various design contexts. The color is often associated with professionalism, stability, and intelligence, making it a popular choice for corporate branding and website design. Its muted nature also makes it suitable for backgrounds or accents, as it doesn't overwhelm the viewer but rather provides a subtle visual anchor. Overall, #1B3A61 is a versatile color that can add a touch of elegance and depth to any project.

The hex color #1B3A61, also known as Cello, presents some accessibility challenges, particularly regarding color contrast. When used as a background color, it requires light-colored text to ensure sufficient contrast for readability. According to WCAG guidelines, the contrast ratio between text and background should be at least 4.5:1 for normal text and 3:1 for large text. Using a color contrast checker is crucial to verify compliance. Failure to meet these standards can exclude users with visual impairments, such as those with low vision or color blindness. Designers and developers should carefully consider these factors and provide alternative color schemes or adjustable contrast settings to accommodate all users. Proper use of ARIA attributes can further enhance accessibility by providing screen readers with additional information about the content and its context. Also, avoid using color as the only means of conveying important information.

Shades

Digital Color Formats

RGB
27 58 97
RGB27 58 97
Red
Green
Blue
HSL
213.43deg 56.45% 24.31%
213.4356.4524.31HSL
Hue
Saturation
Lightness
HWB
213.43deg 10.59% 61.96%
213.4310.5961.96HWB
Hue
Whiteness
Blackness
hex#1B3A61
rgb27 58 97
hsl213.43deg 56.45% 24.31%
cmyk72.16% 40.21% 0% 61.96%
hwb213.43deg 10.59% 61.96%
xyz-d650.04 0.04 0.12
oklch0.346 0.078 255.29
oklab0.346 -0.02 -0.08
CMYK
72.16% 40.21% 0% 61.96%
72.1640.21061.96CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.12
0.040.040.12XYZ
X
Y
Z
OKLCH
0.346 0.078 255.29
0.3460.078255.29LCH
Lightness
Chroma
Hue
OKLAB
0.346 -0.02 -0.08
0.346-0.02-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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