Dark Blue

#0A00CD

General Information about #0A00CD

The hexadecimal color #0A00CD represents a dark shade of blue, also known as Dark Blue. It is composed of 3.92% red, 0% green, and 80.39% blue. In the RGB color model, it has the values (10, 0, 205). This particular shade leans heavily towards the blue end of the spectrum, resulting in its deep, rich appearance. Hex color codes are commonly used in web design and digital graphics to specify colors accurately. Understanding the composition of a hex color can help designers make informed decisions about color palettes and ensure visual consistency across different platforms. The perceived darkness of #0A00CD is because blue light has a low perceived lightness compared to green or red.

The hex color #0A00CD, a dark blue, presents significant accessibility challenges, particularly for users with visual impairments. Its low lightness value (very dark) results in poor contrast against commonly used background colors like white. This makes it difficult for users to distinguish text or important visual elements rendered in this color. According to WCAG guidelines, sufficient contrast ratios are crucial for readability. To ensure accessibility, web developers should avoid using #0A00CD for text or interactive elements unless paired with a very light background color that meets the minimum contrast ratio thresholds. Tools like contrast checkers can help verify compliance. Considering alternative, lighter shades of blue or using contrasting colors for text and backgrounds can greatly improve the user experience for everyone, including those with low vision or color blindness. It is best practice to always test and review color contrast and readability in your designs.

Shades

Digital Color Formats

RGB
10 0 205
RGB10 0 205
Red
Green
Blue
HSL
242.93 100% 40.2%
242.9310040.2HSL
Hue
Saturation
Lightness
HWB
242.93 0% 19.61%
242.93019.61HWB
Hue
Whiteness
Blackness
hex#0A00CD
rgb10 0 205
hsl242.93 100% 40.2%
cmyk95.12% 100% 0% 19.61%
hwb242.93 0% 19.61%
xyz11.14 4.47 58.03
CMYK
95.12% 100% 0% 19.61%
95.12100019.61CMYK
Cyan
Magenta
Yellow
Key
XYZ
11.14 4.47 58.03
11.144.4758.03XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025