Dark Blue

#1509DD

General Information about #1509DD

The hexadecimal color code #1509DD represents a dark shade of blue. It is composed of 8.24% red, 3.53% green, and 86.67% blue. In the RGB color model, this translates to 21 red, 9 green, and 221 blue. The corresponding CMYK color code is 0.90, 0.96, 0.00, 0.13, indicating that it is primarily composed of cyan and magenta. This color is often perceived as calming, trustworthy, and professional. It is commonly used in branding, web design, and graphic design to convey a sense of stability and authority. The low saturation and high blue content contribute to its dark and deep appearance.

The color #1509DD, a dark blue, presents significant accessibility challenges, especially concerning color contrast. When used as a background, it requires very light text to ensure readability, ideally white or a very pale yellow. According to WCAG guidelines, the contrast ratio between the text and background should be at least 4.5:1 for normal text and 3:1 for large text to meet AA compliance. Using darker text on this background will likely fail accessibility standards, making it difficult for users with visual impairments to read the content. When used for interactive elements like buttons or links, sufficient contrast is crucial to ensure users can easily identify and interact with these elements. Avoid pairing this color with other dark colors, and always test the color combination with accessibility tools to ensure compliance.

Shades

Digital Color Formats

RGB
21 9 221
RGB21 9 221
Red
Green
Blue
HSL
243.4deg 92.17% 45.1%
243.492.1745.1HSL
Hue
Saturation
Lightness
HWB
243.4deg 3.53% 13.33%
243.43.5313.33HWB
Hue
Whiteness
Blackness
hex#1509DD
rgb21 9 221
hsl243.4deg 92.17% 45.1%
cmyk90.5% 95.93% 0% 13.33%
hwb243.4deg 3.53% 13.33%
xyz-d650.13 0.06 0.69
oklch0.4134 0.2757 266.28
oklab0.4134 -0.02 -0.28
CMYK
90.5% 95.93% 0% 13.33%
90.595.93013.33CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.13 0.06 0.69
0.130.060.69XYZ
X
Y
Z
OKLCH
0.4134 0.2757 266.28
0.41340.2757266.28LCH
Lightness
Chroma
Hue
OKLAB
0.4134 -0.02 -0.28
0.4134-0.02-0.28LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons