Persian Blue

#121CB8

General Information about Persian Blue (#121CB8)

The hexadecimal color code #121CB8, also known as Persian Blue, is a vibrant and deep shade of blue. It is composed of 7.1% red, 11% green, and 72.2% blue. In the RGB color model, this translates to 18 red, 28 green, and 184 blue. Persian Blue has a hue angle of 232.7 degrees, a saturation of 82.6%, and a lightness of 39.6%. This color is often associated with feelings of trust, loyalty, and stability, making it a popular choice in branding and design. It is a color with strong depth and visual presence. This specific shade of blue is often referred to as a cool color due to its strong blue component, and it can have a calming effect when used in various applications. Due to the darkness of this color, it needs to be used with light-colored text or elements to maintain good readability and accessibility.

The hex color #121CB8, also known as Persian Blue, presents several accessibility considerations for web developers. Its dark hue results in a low luminance value, which is crucial when choosing text and background colors. To ensure readability, it's imperative to use a light-colored text on a #121CB8 background. A contrast ratio of at least 4.5:1 is recommended for normal text, and 3:1 for large text, as per WCAG guidelines. Tools like contrast checkers can assist in verifying compliance. Additionally, avoid using this color as the sole indicator for interactive elements; supplement it with text labels or icons. When using this color for links, ensure they are distinguishable from surrounding text, such as through underlining or a different font weight. Proper consideration of these factors will enhance the usability of your web content for all users, including those with visual impairments.

Shades

Digital Color Formats

RGB
18 28 184
RGB18 28 184
Red
Green
Blue
HSL
236.39deg 82.18% 39.61%
236.3982.1839.61HSL
Hue
Saturation
Lightness
HWB
236.39deg 7.06% 27.84%
236.397.0627.84HWB
Hue
Whiteness
Blackness
hex#121CB8
rgb18 28 184
hsl236.39deg 82.18% 39.61%
cmyk90.22% 84.78% 0% 27.84%
hwb236.39deg 7.06% 27.84%
xyz-d650.09 0.04 0.46
oklch0.3769 0.2294 266.56
oklab0.3769 -0.01 -0.23
CMYK
90.22% 84.78% 0% 27.84%
90.2284.78027.84CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.09 0.04 0.46
0.090.040.46XYZ
X
Y
Z
OKLCH
0.3769 0.2294 266.56
0.37690.2294266.56LCH
Lightness
Chroma
Hue
OKLAB
0.3769 -0.01 -0.23
0.3769-0.01-0.23LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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