Persian Blue

#1B40CB

General Information about Persian Blue

The hexadecimal color #1B40CB, also known as Persian Blue, is a deep, vibrant shade of blue with a strong presence. It belongs to the blue color family and evokes feelings of trust, stability, and intelligence. In the RGB color model, it is composed of 10.6% red, 25.1% green, and 79.6% blue. In the CMYK color model, it consists of 87% cyan, 68% magenta, 0% yellow, and 20% black. This color is frequently used in branding and graphic design to convey a sense of professionalism and reliability. Its rich hue makes it suitable for both digital and print applications. Persian Blue stands out and grabs attention, whether it is used for logos, websites or marketing materials.

The color #1B40CB, also known as Persian Blue, presents some accessibility challenges, especially when used for text. Its relatively low luminance can result in insufficient contrast against light backgrounds, making it difficult for users with visual impairments to read. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #1B40CB for text, it's crucial to pair it with a very light background, such as white or a very pale yellow, to ensure readability. Alternatively, consider using it for larger graphical elements where contrast is less critical. Tools like contrast checkers can help evaluate the color's accessibility performance. Also keep in mind that people might see color differently. The right choice of the color ensures a great experience for all users.

Shades

Digital Color Formats

RGB
27 64 203
RGB27 64 203
Red
Green
Blue
HSL
227.39deg 76.52% 45.1%
227.3976.5245.1HSL
Hue
Saturation
Lightness
HWB
227.39deg 10.59% 20.39%
227.3910.5920.39HWB
Hue
Whiteness
Blackness
hex#1B40CB
rgb27 64 203
hsl227.39deg 76.52% 45.1%
cmyk86.7% 68.47% 0% 20.39%
hwb227.39deg 10.59% 20.39%
xyz-d650.13 0.08 0.57
oklch0.4507 0.2171 265.6
oklab0.4507 -0.02 -0.22
CMYK
86.7% 68.47% 0% 20.39%
86.768.47020.39CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.08 0.57
0.130.080.57XYZ
X
Y
Z
OKLCH
0.4507 0.2171 265.6
0.45070.2171265.6LCH
Lightness
Chroma
Hue
OKLAB
0.4507 -0.02 -0.22
0.4507-0.02-0.22LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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