Cello

#1F4561

General Information about #1F4561

The hexadecimal color #1F4561, also known as Cello, is a dark shade of blue-gray. It is composed of 12.2% red, 27.1% green, and 38% blue. In the RGB color model, it has the values 31, 69, and 97. Its decimal value is 2040769. This color falls within the cool color spectrum, evoking feelings of calmness, stability, and sophistication. It is often associated with professionalism, trust, and intelligence. Its versatility allows it to be used in a variety of applications, from web design to interior design, where it can create a sense of elegance and refinement. The color's muted nature makes it suitable as a background or accent color, pairing well with both light and dark hues. It's important to consider its impact on readability and accessibility when using it in digital interfaces, ensuring adequate contrast with text and other elements.

The color #1F4561, also known as Cello, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it's crucial to ensure that any text or interactive elements layered on top have sufficient contrast to meet WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using tools to evaluate the contrast ratio is essential. For users with visual impairments, including those with low vision or color blindness, insufficient contrast can make content difficult or impossible to read. Designers should consider providing alternative color themes or allowing users to customize colors to ensure accessibility for everyone. Careful consideration of font size and weight can also improve readability. Furthermore, avoid using color alone to convey important information; always include text or other visual cues.

Shades

Digital Color Formats

RGB
31 69 97
RGB31 69 97
Red
Green
Blue
HSL
205.45deg 51.56% 25.1%
205.4551.5625.1HSL
Hue
Saturation
Lightness
HWB
205.45deg 12.16% 61.96%
205.4512.1661.96HWB
Hue
Whiteness
Blackness
hex#1F4561
rgb31 69 97
hsl205.45deg 51.56% 25.1%
cmyk68.04% 28.87% 0% 61.96%
hwb205.45deg 12.16% 61.96%
xyz-d650.05 0.05 0.12
oklch0.3764 0.0648 243.04
oklab0.3764 -0.03 -0.06
CMYK
68.04% 28.87% 0% 61.96%
68.0428.87061.96CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.05 0.12
0.050.050.12XYZ
X
Y
Z
OKLCH
0.3764 0.0648 243.04
0.37640.0648243.04LCH
Lightness
Chroma
Hue
OKLAB
0.3764 -0.03 -0.06
0.3764-0.03-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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