Blue

#281BFD

General Information about #281BFD

#281BFD is a vibrant shade of blue. It belongs to the blue color family and is characterized by its strong saturation and relatively medium lightness. In the RGB color model, it consists of 16.1% red, 10.98% green, and 99.22% blue. This composition explains its dominant blue appearance. In the HSV (Hue, Saturation, Value) model, it has a hue angle of 247.6 degrees, a saturation of 88.9%, and a value of 99.2%. The saturation value indicates the color's purity, while the value indicates its brightness. This hex color is often associated with feelings of creativity, innovation, and boldness. It's commonly used in modern designs to evoke a sense of energy and excitement.

The hex color #281BFD, a vibrant blue, presents some accessibility challenges primarily due to its contrast against typical background colors like white. For text elements, using this color on a light background requires careful consideration to ensure sufficient contrast ratio, ideally aiming for a WCAG 2.1 Level AA compliance (a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text). Tools like contrast checkers can help evaluate the compliance. In user interface design, consider using #281BFD sparingly for interactive elements or highlights, ensuring that sufficient visual cues are provided for users with visual impairments. Avoid using this color alone to convey important information; supplement it with text or icons to ensure inclusivity for all users. A darker shade of blue or a lighter shade of yellow/orange would likely be a more accessible contrast. Also, keep in mind that colorblind users might perceive this color differently, hence the need for additional non-color based cues.

Shades

Digital Color Formats

RGB
40 27 253
RGB40 27 253
Red
Green
Blue
HSL
243.45 98.26% 54.9%
243.4598.2654.9HSL
Hue
Saturation
Lightness
HWB
243.45 10.59% 0.78%
243.4510.590.78HWB
Hue
Whiteness
Blackness
hex#281BFD
rgb40 27 253
hsl243.45 98.26% 54.9%
cmyk84.19% 89.33% 0% 0.78%
hwb243.45 10.59% 0.78%
xyz19 8.33 93.53
CMYK
84.19% 89.33% 0% 0.78%
84.1989.3300.78CMYK
Cyan
Magenta
Yellow
Key
XYZ
19 8.33 93.53
198.3393.53XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025