Cello

#1F3F5A

General Information about Cello (#1F3F5A)

The hexadecimal color #1F3F5A, also known as Cello, is a dark, muted shade of blue. It belongs to the blue color family and possesses a relatively low saturation and brightness. In the RGB color model, it is composed of 12.2% red, 24.7% green, and 35.3% blue. In the CMYK color model, it consists of 65% cyan, 30% magenta, 0% yellow, and 65% black. This color evokes feelings of calmness, stability, and sophistication. Its hexadecimal number is 1F3F5A, but it can be converted into other color codes, like the RGB code. Its dark tone makes it a good choice for backgrounds.

The color #1F3F5A, also known as Cello, presents some accessibility challenges, particularly regarding color contrast. When used as a background color, it requires light text to ensure readability. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text (14pt bold or 18pt regular) to meet WCAG AA standards. It's crucial to test the color combination with accessibility tools to verify sufficient contrast. When using Cello for interactive elements like buttons or links, provide additional cues such as underlines or icons to aid users who may have difficulty distinguishing colors. Moreover, consider the needs of users with low vision or color blindness by offering alternative color schemes that provide better contrast and clarity. Proper use of ARIA attributes can also enhance the accessibility of elements using this color.

Shades

Digital Color Formats

RGB
31 63 90
RGB31 63 90
Red
Green
Blue
HSL
207.46deg 48.76% 23.73%
207.4648.7623.73HSL
Hue
Saturation
Lightness
HWB
207.46deg 12.16% 64.71%
207.4612.1664.71HWB
Hue
Whiteness
Blackness
hex#1F3F5A
rgb31 63 90
hsl207.46deg 48.76% 23.73%
cmyk65.56% 30% 0% 64.71%
hwb207.46deg 12.16% 64.71%
xyz-d650.04 0.05 0.1
oklch0.3566 0.0606 246.07
oklab0.3566 -0.02 -0.06
CMYK
65.56% 30% 0% 64.71%
65.5630064.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.04 0.05 0.1
0.040.050.1XYZ
X
Y
Z
OKLCH
0.3566 0.0606 246.07
0.35660.0606246.07LCH
Lightness
Chroma
Hue
OKLAB
0.3566 -0.02 -0.06
0.3566-0.02-0.06LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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