Cello

#183B63

General Information about Cello (#183B63)

The hexadecimal color code #183B63, commonly referred to as Cello, is a dark shade of blue. It is composed of 9.41% red, 23.14% green, and 38.7% blue. In the RGB color model, this translates to 24 red, 59 green, and 99 blue. The color's low red value and higher blue value contribute to its cool, muted tone. The HSL (hue, saturation, lightness) representation of #183B63 is a hue of 213.4 degrees, a saturation of 61.1%, and a lightness of 24.1%. This indicates that it is a relatively desaturated color with moderate lightness. Cello can evoke feelings of calmness, stability, and sophistication. Its dark nature makes it suitable for applications where a sense of depth or formality is desired.

The hex color #183B63, also known as Cello, presents some accessibility challenges, primarily due to its relatively low luminance. When used as a text color, it's crucial to ensure sufficient contrast against the background to meet WCAG (Web Content Accessibility Guidelines) standards. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Using a light background color is essential. For users with visual impairments, including color blindness, sufficient contrast is vital for readability. Therefore, careful consideration is needed when pairing this color with other elements in a design. Tools are available to check color contrast ratios and ensure compliance with accessibility guidelines. Also, avoid relying solely on color to convey information; use text labels or other visual cues to enhance usability for all users.

Shades

Digital Color Formats

RGB
24 59 99
RGB24 59 99
Red
Green
Blue
HSL
212deg 60.98% 24.12%
21260.9824.12HSL
Hue
Saturation
Lightness
HWB
212deg 9.41% 61.18%
2129.4161.18HWB
Hue
Whiteness
Blackness
hex#183B63
rgb24 59 99
hsl212deg 60.98% 24.12%
cmyk75.76% 40.4% 0% 61.18%
hwb212deg 9.41% 61.18%
xyz-d650.04 0.04 0.12
oklch0.3486 0.081 253.7
oklab0.3486 -0.02 -0.08
CMYK
75.76% 40.4% 0% 61.18%
75.7640.4061.18CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.04 0.12
0.040.040.12XYZ
X
Y
Z
OKLCH
0.3486 0.081 253.7
0.34860.081253.7LCH
Lightness
Chroma
Hue
OKLAB
0.3486 -0.02 -0.08
0.3486-0.02-0.08LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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