Cello

#1A3758

General Information about #1A3758

The hex color #1A3758, also known as Cello, is a dark, muted shade of blue. It belongs to the blue color family, specifically within the range of dark cyan-blue hues. This color is often associated with feelings of calmness, stability, and sophistication. In the RGB color model, #1A3758 is composed of 10.2% red, 21.6% green, and 34.5% blue. In the CMYK color model, which is used for printing, it consists of 70% cyan, 37% magenta, 0% yellow, and 65% black. The hexadecimal color code #1A3758 is a representation of these RGB values in a base-16 format. Understanding these color models is important for designers and developers to ensure accurate color reproduction across different media. The color's relative darkness means it should be used judiciously, especially in contexts where readability and contrast are essential.

The hex color #1a3758, also known as Cello, presents some accessibility challenges, especially when used as a background or text color. Its relatively low luminance value means that careful consideration must be given to the color of the text or other elements placed on top of it. To ensure sufficient contrast for users with visual impairments, including those with low vision or color blindness, a light text color such as white (#ffffff) or a very light gray is recommended. Using online contrast checkers can help web developers verify that their color combinations meet the WCAG (Web Content Accessibility Guidelines) standards for contrast ratios. These guidelines typically require a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Failure to meet these standards can exclude users and negatively impact the overall user experience. Additionally, avoid relying solely on color to convey important information, as users with color blindness may not be able to distinguish between certain color combinations. Providing alternative cues, such as text labels or icons, can help ensure that your content is accessible to everyone.

Shades

Digital Color Formats

RGB
26 55 88
RGB26 55 88
Red
Green
Blue
HSL
211.94deg 54.39% 22.35%
211.9454.3922.35HSL
Hue
Saturation
Lightness
HWB
211.94deg 10.2% 65.49%
211.9410.265.49HWB
Hue
Whiteness
Blackness
hex#1A3758
rgb26 55 88
hsl211.94deg 54.39% 22.35%
cmyk70.45% 37.5% 0% 65.49%
hwb211.94deg 10.2% 65.49%
xyz-d650.04 0.04 0.1
oklch0.3319 0.0684 253.18
oklab0.3319 -0.02 -0.07
CMYK
70.45% 37.5% 0% 65.49%
70.4537.5065.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.1
0.040.040.1XYZ
X
Y
Z
OKLCH
0.3319 0.0684 253.18
0.33190.0684253.18LCH
Lightness
Chroma
Hue
OKLAB
0.3319 -0.02 -0.07
0.3319-0.02-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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