Persian Blue

#1B33CB

General Information about Persian Blue

The hex color #1B33CB, also known as Persian Blue, is a deep, vibrant shade of blue with a rich history and cultural significance. It's comprised of 10.6% red, 20% green, and 79.6% blue, making it a saturated and intense color. Persian Blue has been used for centuries in various forms of art, decoration, and fashion, particularly in Persian and Middle Eastern cultures. Its association with royalty, spirituality, and tranquility makes it a popular choice for designers seeking to evoke a sense of sophistication and elegance. The color is frequently seen in tiles of mosques and other religious structures. Its boldness can make designs very eye-catching. Its unique mixture of red, green and blue light makes it a memorable color.

The hex color #1B33CB, a vibrant Persian Blue, presents some accessibility challenges. Its relatively low luminance value of approximately 11 makes it difficult to achieve sufficient contrast with lighter background colors, especially white. According to WCAG (Web Content Accessibility Guidelines) standards, 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 ensure readability for users with visual impairments. When using #1B33CB for text, it's crucial to pair it with a very light color such as white or very light yellow to meet these contrast requirements. For backgrounds, consider using darker shades of blue or purple to provide sufficient contrast with lighter elements. Tools like WebAIM's Contrast Checker can be utilized to verify compliance with WCAG guidelines. Proper attention to contrast is vital to ensure that content is accessible to all users, including those with low vision or color blindness.

Shades

Digital Color Formats

RGB
27 51 203
RGB27 51 203
Red
Green
Blue
HSL
231.82deg 76.52% 45.1%
231.8276.5245.1HSL
Hue
Saturation
Lightness
HWB
231.82deg 10.59% 20.39%
231.8210.5920.39HWB
Hue
Whiteness
Blackness
hex#1B33CB
rgb27 51 203
hsl231.82deg 76.52% 45.1%
cmyk86.7% 74.88% 0% 20.39%
hwb231.82deg 10.59% 20.39%
xyz-d650.12 0.07 0.57
oklch0.4304 0.2303 266.76
oklab0.4304 -0.01 -0.23
CMYK
86.7% 74.88% 0% 20.39%
86.774.88020.39CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.07 0.57
0.120.070.57XYZ
X
Y
Z
OKLCH
0.4304 0.2303 266.76
0.43040.2303266.76LCH
Lightness
Chroma
Hue
OKLAB
0.4304 -0.01 -0.23
0.4304-0.01-0.23LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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