Cello

#183C5F

General Information About #183C5F

The hexadecimal color code #183C5F, also recognized as Cello, represents a deep, muted shade of blue. This color evokes feelings of calmness, stability, and sophistication. Its composition consists of 9.4% red, 23.5% green, and 37.3% blue. In the RGB color model, it is defined by the values (24, 60, 95). When converting to the CMYK color model, which is used for printing, the color comprises 74.7% cyan, 36.8% magenta, 0% yellow, and 62.7% black. This suggests that it would require a substantial amount of cyan ink in the printing process. Cello is often associated with professionalism and trustworthiness, making it a popular choice for branding and design.

The hex color #183c5f, also known as Cello, presents specific accessibility challenges, particularly concerning contrast. When used as a background color, it requires careful pairing with text or foreground elements to ensure sufficient contrast for readability, especially for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Therefore, bright colors like white (#ffffff) or light yellow (#ffff00) are advisable for text on a #183c5f background. It's crucial to avoid pairing it with darker shades, as that can result in illegible text. Utilizing contrast checking tools during the design process is essential to verify compliance with accessibility standards and provide an inclusive user experience. Remember to consider not only color but also font size and weight to maximize readability.

Shades

Digital Color Formats

RGB
24 60 95
RGB24 60 95
Red
Green
Blue
HSL
209.58deg 59.66% 23.33%
209.5859.6623.33HSL
Hue
Saturation
Lightness
HWB
209.58deg 9.41% 62.75%
209.589.4162.75HWB
Hue
Whiteness
Blackness
hex#183C5F
rgb24 60 95
hsl209.58deg 59.66% 23.33%
cmyk74.74% 36.84% 0% 62.75%
hwb209.58deg 9.41% 62.75%
xyz-d650.04 0.04 0.11
oklch0.3486 0.0741 250.26
oklab0.3486 -0.03 -0.07
CMYK
74.74% 36.84% 0% 62.75%
74.7436.84062.75CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.11
0.040.040.11XYZ
X
Y
Z
OKLCH
0.3486 0.0741 250.26
0.34860.0741250.26LCH
Lightness
Chroma
Hue
OKLAB
0.3486 -0.03 -0.07
0.3486-0.03-0.07LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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