Persian Blue

#213BB5

About Persian Blue (#213BB5)

The hex color code #213BB5 represents a shade of blue known as Persian Blue. It is a deep, rich blue with a slight hint of purple, often associated with royalty, wisdom, and tranquility. In the RGB color model, it consists of 13% red, 23.1% green, and 71% blue. This particular shade is frequently used in design and art to evoke a sense of sophistication and depth. Its wavelength is approximately 470nm, placing it within the visible blue spectrum. The color has historical significance, linked to Persian art and culture, where blue pigments were highly valued and used extensively in ceramics, textiles, and architecture. It finds application across various mediums, including digital graphics, print design, and even in the cosmetic industry. Due to its strong presence, #213BB5 is most effective when used intentionally and balanced with complementary or neutral colors.

The color #213BB5, also known as Persian Blue, presents some accessibility challenges, particularly concerning color contrast. When used as a foreground color for text, it requires careful pairing with a light background to ensure readability. A contrast ratio of at least 4.5:1 is recommended for standard-sized text and 3:1 for large text (14pt bold or 18pt regular) to comply with WCAG 2.1 AA guidelines. Using tools like contrast checkers is crucial for validating sufficient contrast. Conversely, as a background color, #213BB5 needs a light-colored text to maintain accessibility. Also, avoid using color alone to convey important information; supplement color cues with text or other visual indicators to accommodate users with color vision deficiencies. Considering these guidelines will help ensure that your designs are accessible and inclusive.

Shades

Digital Color Formats

RGB
33 59 181
RGB33 59 181
Red
Green
Blue
HSL
229.46deg 69.16% 41.96%
229.4669.1641.96HSL
Hue
Saturation
Lightness
HWB
229.46deg 12.94% 29.02%
229.4612.9429.02HWB
Hue
Whiteness
Blackness
hex#213BB5
rgb33 59 181
hsl229.46deg 69.16% 41.96%
cmyk81.77% 67.4% 0% 29.02%
hwb229.46deg 12.94% 29.02%
xyz-d650.11 0.07 0.44
oklch0.4222 0.1938 267.29
oklab0.4222 -0.01 -0.19
CMYK
81.77% 67.4% 0% 29.02%
81.7767.4029.02CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.07 0.44
0.110.070.44XYZ
X
Y
Z
OKLCH
0.4222 0.1938 267.29
0.42220.1938267.29LCH
Lightness
Chroma
Hue
OKLAB
0.4222 -0.01 -0.19
0.4222-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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