Cello

#233A57

General Information

The hexadecimal color code #233A57 represents a dark, muted shade of blue, often associated with feelings of calmness, stability, and sophistication. In the RGB color model, it consists of 13.73% red, 22.75% green, and 34.12% blue. The CMYK color model representation is 60% cyan, 33% magenta, 0% yellow, and 66% black. This color, sometimes referred to as "Cello," is commonly used in various design applications to evoke a sense of professionalism, reliability, and depth. Due to its dark nature, it is often paired with lighter colors to create contrast and ensure readability, particularly in text-based designs. It is a versatile color that can be used in corporate branding, web design, and even interior decorating.

The color #233A57, also known as Cello, presents some accessibility challenges due to its relatively low contrast with lighter text or background elements. Web developers should carefully consider its use, particularly for text, to ensure readability for all users, including those with visual impairments. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text against its background, as per WCAG guidelines. Tools are available to check contrast ratios and suggest alternative colors that provide better accessibility. When using #233A57, it is advisable to pair it with a light color to meet accessibility standards. For decorative purposes, such as borders, backgrounds, or graphical elements, the contrast requirements are less strict, but designers should still consider the overall visual harmony and user experience.

Shades

Digital Color Formats

RGB
35 58 87
RGB35 58 87
Red
Green
Blue
HSL
213.46deg 42.62% 23.92%
213.4642.6223.92HSL
Hue
Saturation
Lightness
HWB
213.46deg 13.73% 65.88%
213.4613.7365.88HWB
Hue
Whiteness
Blackness
hex#233A57
rgb35 58 87
hsl213.46deg 42.62% 23.92%
cmyk59.77% 33.33% 0% 65.88%
hwb213.46deg 13.73% 65.88%
xyz-d650.04 0.04 0.1
oklch0.344 0.0589 254.86
oklab0.344 -0.02 -0.06
CMYK
59.77% 33.33% 0% 65.88%
59.7733.33065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.1
0.040.040.1XYZ
X
Y
Z
OKLCH
0.344 0.0589 254.86
0.3440.0589254.86LCH
Lightness
Chroma
Hue
OKLAB
0.344 -0.02 -0.06
0.344-0.02-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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