Cello

#213A56

General Information about #213A56 (Cello)

The hex color #213A56, often referred to as 'Cello,' is a dark, muted shade of blue with subtle gray undertones. In the RGB color model, it is composed of 13% red, 22.7% green, and 33.7% blue. Its subdued nature makes it a versatile choice for various design applications, particularly in contexts where a sense of professionalism, reliability, or calmness is desired. The color's hexadecimal representation provides a standardized way to define and use it across different digital platforms. Cello is less vibrant than pure blue tones, lending it a sophisticated and understated quality. It is also considered a cool color which can bring a sense of serenity to different contexts.

The hex color #213A56, also known as Cello, presents specific accessibility considerations for web design. Its relatively low luminance requires careful pairing with text and background colors to ensure sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. When using #213A56 for text, a light background is crucial. Conversely, if using it as a background, light-colored text is necessary to meet accessibility standards. Tools like contrast checkers can help verify compliance. Moreover, avoid using color alone to convey important information; supplement with text or icons to accommodate users with color vision deficiencies. Thoughtful application of #213A56 can create visually appealing designs that are also inclusive.

Shades

Digital Color Formats

RGB
33 58 86
RGB33 58 86
Red
Green
Blue
HSL
211.7deg 44.54% 23.33%
211.744.5423.33HSL
Hue
Saturation
Lightness
HWB
211.7deg 12.94% 66.27%
211.712.9466.27HWB
Hue
Whiteness
Blackness
hex#213A56
rgb33 58 86
hsl211.7deg 44.54% 23.33%
cmyk61.63% 32.56% 0% 66.27%
hwb211.7deg 12.94% 66.27%
xyz-d650.04 0.04 0.09
oklch0.3422 0.0585 252.38
oklab0.3422 -0.02 -0.06
CMYK
61.63% 32.56% 0% 66.27%
61.6332.56066.27CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.09
0.040.040.09XYZ
X
Y
Z
OKLCH
0.3422 0.0585 252.38
0.34220.0585252.38LCH
Lightness
Chroma
Hue
OKLAB
0.3422 -0.02 -0.06
0.3422-0.02-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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