Cello

#213A63

General Information about #213A63

The hexadecimal color code #213A63, also known as Cello, is a dark shade of blue-purple. It is composed of 12.9% red, 22.7% green, and 38.8% blue. In the RGB color model, #213A63 consists of 12.94% red, 22.75% green, and 38.82% blue. In a CMYK color space, it is made up of 67% cyan, 41% magenta, 0% yellow, and 61% black. Colors similar to Cello can evoke feelings of sophistication, depth, and tranquility. It is often used in designs seeking to convey a sense of professionalism and elegance. Its deep hue makes it suitable for creating contrast with lighter elements, providing visual interest and enhancing readability.

The hex color #213A63, also known as Cello, presents some accessibility challenges, particularly concerning color contrast. When used as a background color, it requires careful selection of foreground text colors to ensure readability. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Light shades of yellow or white would offer sufficient contrast against #213A63. Tools like WebAIM's contrast checker can be used to verify compliance. Furthermore, avoid using color as the sole means of conveying information; always supplement with text or other visual cues to accommodate users with color vision deficiencies. Considering these factors during the design process will significantly improve the inclusivity and usability of content using this color.

Shades

Digital Color Formats

RGB
33 58 99
RGB33 58 99
Red
Green
Blue
HSL
217.27deg 50% 25.88%
217.275025.88HSL
Hue
Saturation
Lightness
HWB
217.27deg 12.94% 61.18%
217.2712.9461.18HWB
Hue
Whiteness
Blackness
hex#213A63
rgb33 58 99
hsl217.27deg 50% 25.88%
cmyk66.67% 41.41% 0% 61.18%
hwb217.27deg 12.94% 61.18%
xyz-d650.04 0.04 0.12
oklch0.3504 0.0784 259.83
oklab0.3504 -0.01 -0.08
CMYK
66.67% 41.41% 0% 61.18%
66.6741.41061.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.12
0.040.040.12XYZ
X
Y
Z
OKLCH
0.3504 0.0784 259.83
0.35040.0784259.83LCH
Lightness
Chroma
Hue
OKLAB
0.3504 -0.01 -0.08
0.3504-0.01-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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