Dark Blue

#0311B0

General Information about #0311B0

The hexadecimal color code #0311B0 represents a very dark shade of blue. It is composed of 1.18% red, 6.67% green, and 69.02% blue. In the RGB color model, this translates to R:3, G:17, B:176. In the CMYK color model, which is used for printing, it is represented as C:98, M:90, Y:0, K:31. The color is perceived as a deep, somewhat muted blue, due to the very low red and green values and a high blue value. Hex color codes are commonly used in web design and digital graphics to specify colors precisely. This specific color is not typically found in nature, making it suitable for artificial constructs, and is generally described as belonging to the blue color family.

The color #0311B0, a very dark blue, presents significant accessibility challenges, primarily due to its low luminance. When used as a foreground color against a white or light background, the contrast ratio is exceedingly low, making it difficult for individuals with visual impairments, including those with low vision or color blindness, to discern text or graphical elements. Adherence to WCAG (Web Content Accessibility Guidelines) is crucial; a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended. Using this color as a background requires very light foreground colors. Consider employing color contrast analyzers to ensure sufficient contrast. Alternatives include lightening the blue hue or using a different color combination altogether. Providing alternative text descriptions for images using this color is also vital for screen reader users. Careful consideration during the design process is imperative to ensure an inclusive user experience.

Shades

Digital Color Formats

RGB
3 17 176
RGB3 17 176
Red
Green
Blue
HSL
235.14 96.65% 35.1%
235.1496.6535.1HSL
Hue
Saturation
Lightness
HWB
235.14 1.18% 30.98%
235.141.1830.98HWB
Hue
Whiteness
Blackness
hex#0311B0
rgb3 17 176
hsl235.14 96.65% 35.1%
cmyk98.3% 90.34% 0% 30.98%
hwb235.14 1.18% 30.98%
xyz8.07 3.55 41.33
CMYK
98.3% 90.34% 0% 30.98%
98.390.34030.98CMYK
Cyan
Magenta
Yellow
Key
XYZ
8.07 3.55 41.33
8.073.5541.33XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025