Blue

#2121F7

About Hex Color #2121F7

The hexadecimal color code #2121f7 represents a specific shade of blue in the RGB (Red, Green, Blue) color model. This model, commonly used in digital displays and web design, defines colors based on the intensity of red, green, and blue light. In #2121f7, the '21' indicates a low intensity of red, '21' also a low intensity of green, and 'f7' represents a high intensity of blue. Hexadecimal color codes provide a concise and standardized way to specify colors in digital applications, making it easy to ensure consistency across different platforms and devices. Understanding the RGB model helps in manipulating and adjusting colors effectively for various design purposes, and this particular blue is a vivid and striking choice.

The hex color #2121f7, a vibrant blue, presents some accessibility challenges. Its strong hue can cause discomfort for users with photosensitivity. When used as text, a very high contrast ratio with the background is essential to ensure readability for individuals with visual impairments. A minimum contrast ratio of 4.5:1 is recommended for normal text and 3:1 for large text, as specified by WCAG guidelines. Using this color for essential interactive elements without proper contrast could exclude users. It is advisable to pair #2121f7 with lighter shades like white or pale yellow for backgrounds or text to improve accessibility. Furthermore, avoid using this color as the sole indicator of functionality; supplement it with text labels or icons.

Shades

Digital Color Formats

RGB
33 33 247
RGB33 33 247
Red
Green
Blue
HSL
240 93.04% 54.9%
24093.0454.9HSL
Hue
Saturation
Lightness
HWB
240 12.94% 3.14%
24012.943.14HWB
Hue
Whiteness
Blackness
hex#2121F7
rgb33 33 247
hsl240 93.04% 54.9%
cmyk86.64% 86.64% 0% 3.14%
hwb240 12.94% 3.14%
xyz17.96 8.13 88.62
CMYK
86.64% 86.64% 0% 3.14%
86.6486.6403.14CMYK
Cyan
Magenta
Yellow
Key
XYZ
17.96 8.13 88.62
17.968.1388.62XYZ
X
Y
Z

Alternative colors

Applications

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