Dark Blue

#2309DD

General Information about #2309DD

The hexadecimal color code #2309DD, also known as Dark Blue, represents a specific point in the blue color spectrum. It is composed of 13.7% red, 3.5% green and 86.7% blue. In the RGB color model, this translates to 35 red, 9 green, and 221 blue. The color's prominence of blue gives it a cool, calming effect. Hexadecimal color codes are a standard way to define colors in HTML, CSS, and other web technologies, allowing developers to precisely specify the colors they want to use in their designs. Understanding the components of a hexadecimal color can help designers and developers make informed choices about color palettes and accessibility.

The color #2309dd presents specific accessibility challenges, primarily due to its dark hue. When used as a background color, it necessitates very light text to ensure sufficient contrast for readability, ideally aiming for a contrast ratio of at least 4.5:1 as recommended by WCAG guidelines. Failure to meet this ratio can significantly hinder users with visual impairments, including those with low vision or color blindness, from perceiving the content effectively. Similarly, when used for text, a brighter background is crucial. Careful consideration is also needed for interactive elements like buttons and links, where color alone should not be the sole indicator of function; supplementary cues like underlines or icons can greatly improve usability for all users, especially those who may not perceive the color accurately. The color's darkness could make it difficult for some users to distinguish fine details or subtle differences in shades.

Shades

Digital Color Formats

RGB
35 9 221
RGB35 9 221
Red
Green
Blue
HSL
247.36deg 92.17% 45.1%
247.3692.1745.1HSL
Hue
Saturation
Lightness
HWB
247.36deg 3.53% 13.33%
247.363.5313.33HWB
Hue
Whiteness
Blackness
hex#2309DD
rgb35 9 221
hsl247.36deg 92.17% 45.1%
cmyk84.16% 95.93% 0% 13.33%
hwb247.36deg 3.53% 13.33%
xyz-d650.14 0.06 0.69
oklch0.4183 0.2726 268.8
oklab0.4183 -0.01 -0.27
CMYK
84.16% 95.93% 0% 13.33%
84.1695.93013.33CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.14 0.06 0.69
0.140.060.69XYZ
X
Y
Z
OKLCH
0.4183 0.2726 268.8
0.41830.2726268.8LCH
Lightness
Chroma
Hue
OKLAB
0.4183 -0.01 -0.27
0.4183-0.01-0.27LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons