Cello

#283855

General Information

The hex color #283855, also known as Cello, is a dark shade of blue with a touch of gray. It belongs to the blue color family and is often associated with qualities like trustworthiness, stability, and sophistication. In the RGB color model, #283855 is composed of 15.7% red, 22% green, and 33.3% blue. In the CMYK color model, it consists of 52.7% cyan, 34% magenta, 0% yellow, and 66.7% black. This color is commonly used in branding and web design to create a sense of professionalism and reliability. It is a versatile color that can be paired with various other colors to create different moods and effects. Its dark hue makes it suitable for backgrounds and text, depending on the contrast.

The hex color #283855, also known as Cello, presents some accessibility challenges, especially concerning text contrast. When using this color as a background, it's crucial to select a foreground text color that offers sufficient contrast to ensure readability for all users, including those with visual impairments. A light color like #FFFFFF (white) or a brighter shade of yellow or orange would generally provide adequate contrast. Tools like the WebAIM Contrast Checker can be invaluable for assessing the contrast ratio and verifying compliance with WCAG (Web Content Accessibility Guidelines) standards. These guidelines recommend a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Failure to meet these standards can significantly impact the usability of your website or application for a substantial portion of your audience. Consider alternative color combinations or adjustments to the shade of #283855 to enhance accessibility.

Shades

Digital Color Formats

RGB
40 56 85
RGB40 56 85
Red
Green
Blue
HSL
218.67deg 36% 24.51%
218.673624.51HSL
Hue
Saturation
Lightness
HWB
218.67deg 15.69% 66.67%
218.6715.6966.67HWB
Hue
Whiteness
Blackness
hex#283855
rgb40 56 85
hsl218.67deg 36% 24.51%
cmyk52.94% 34.12% 0% 66.67%
hwb218.67deg 15.69% 66.67%
xyz-d650.04 0.04 0.09
oklch0.341 0.0555 261.78
oklab0.341 -0.01 -0.05
CMYK
52.94% 34.12% 0% 66.67%
52.9434.12066.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.09
0.040.040.09XYZ
X
Y
Z
OKLCH
0.341 0.0555 261.78
0.3410.0555261.78LCH
Lightness
Chroma
Hue
OKLAB
0.341 -0.01 -0.05
0.341-0.01-0.05LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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