Blue

#2B1DFB

General Information about #2B1DFB

#2B1DFB is a hexadecimal color code representing a shade of blue. It consists of 2B (red), 1D (green), and FB (blue) in hexadecimal format. In the RGB color model, this translates to 43 red, 29 green, and 251 blue. Hex color codes are commonly used in web design and graphic design to specify colors precisely. The color appears as a vibrant, deep blue. It belongs to the blue color family, known for its association with tranquility, stability, and confidence. The hexadecimal color system provides a standardized way to define colors across different platforms and devices, ensuring consistency in visual representation. Its luminance and saturation levels contribute to its distinctive appearance.

The hex color #2B1DFB has a relatively low contrast ratio against white backgrounds, making it potentially difficult for users with visual impairments to read text or distinguish elements using this color. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text to meet WCAG (Web Content Accessibility Guidelines) AA standards. When using #2B1DFB for text or interactive elements, it's crucial to pair it with a very light or white color. Tools for contrast checking can assist in validating accessible color combinations. Consider using lighter shades of blue or complementary colors like yellow to increase contrast and improve readability for all users, including those with low vision or color blindness. This color also has a moderate luminance, which affects its perceived brightness.

Shades

Digital Color Formats

RGB
43 29 251
RGB43 29 251
Red
Green
Blue
HSL
243.78 96.52% 54.9%
243.7896.5254.9HSL
Hue
Saturation
Lightness
HWB
243.78 11.37% 1.57%
243.7811.371.57HWB
Hue
Whiteness
Blackness
hex#2B1DFB
rgb43 29 251
hsl243.78 96.52% 54.9%
cmyk82.87% 88.45% 0% 1.57%
hwb243.78 11.37% 1.57%
xyz18.85 8.36 91.89
CMYK
82.87% 88.45% 0% 1.57%
82.8788.4501.57CMYK
Cyan
Magenta
Yellow
Key
XYZ
18.85 8.36 91.89
18.858.3691.89XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025