Persian Blue

#1D3CB9

General Information

Persian Blue, represented by the hexadecimal color code #1D3CB9, is a deep and vibrant shade of blue with a rich history. This color is reminiscent of the precious pigment ultramarine, once derived from the mineral lapis lazuli sourced from Persia, now Iran. In the RGB color model, #1D3CB9 is composed of 11.4% red, 23.5% green, and 72.5% blue. In the CMYK color model, it consists of 84% cyan, 68% magenta, 0% yellow, and 27% black. This combination makes it suitable for digital displays and print media. It is often associated with royalty, trust, and stability, making it a popular choice in branding and design where these qualities are desirable.

The contrast ratio of #1D3CB9 against white is approximately 9.2:1, which is excellent and passes WCAG AAA standards for text and non-text contrast. When used as text on a white background, it ensures readability for users with visual impairments. However, when pairing #1D3CB9 with darker colors, the contrast may fall below acceptable levels, causing legibility issues. Therefore, it is crucial to use lighter shades like white, light gray, or pale yellow as backgrounds to comply with accessibility guidelines. For larger text or decorative elements, slightly darker shades can be considered, but careful assessment is required to ensure sufficient contrast. Always test color combinations with accessibility tools to avoid excluding users with visual disabilities, ensuring an inclusive design.

Shades

Digital Color Formats

RGB
29 60 185
RGB29 60 185
Red
Green
Blue
HSL
228.08deg 72.9% 41.96%
228.0872.941.96HSL
Hue
Saturation
Lightness
HWB
228.08deg 11.37% 27.45%
228.0811.3727.45HWB
Hue
Whiteness
Blackness
hex#1D3CB9
rgb29 60 185
hsl228.08deg 72.9% 41.96%
cmyk84.32% 67.57% 0% 27.45%
hwb228.08deg 11.37% 27.45%
xyz-d650.11 0.07 0.47
oklch0.4265 0.1987 266.29
oklab0.4265 -0.01 -0.2
CMYK
84.32% 67.57% 0% 27.45%
84.3267.57027.45CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.11 0.07 0.47
0.110.070.47XYZ
X
Y
Z
OKLCH
0.4265 0.1987 266.29
0.42650.1987266.29LCH
Lightness
Chroma
Hue
OKLAB
0.4265 -0.01 -0.2
0.4265-0.01-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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