Gulf Blue

#090459

General Information about Gulf Blue

The color #090459, also known as Gulf Blue, is a very dark shade of blue. In the RGB color model, it consists of 3.53% red, 1.57% green, and 34.9% blue. Its CMYK representation is 0.9, 0.95, 0.0, 0.65. The hue angle is 247.3 degrees, the saturation is 96.43%, and the lightness is 18.24%. Gulf Blue is often associated with feelings of depth, stability, and formality, making it suitable for applications where these attributes are desired. Due to its darkness, it is important to use it carefully in design to ensure adequate contrast and readability, especially when used for text or critical user interface elements. It belongs to the dark blue color family.

The hex color #090459, also known as Gulf Blue, presents significant accessibility challenges, particularly in text-based applications. Its extremely low luminance value of approximately 0.004 makes it very difficult to read when used as text on a white background. According to WCAG guidelines, it fails all levels of contrast requirements (AA and AAA) for normal and large text. To improve accessibility, it is strongly recommended to pair this dark blue with very light colors such as white (#FFFFFF) or extremely pale yellows or greens. When using Gulf Blue as a background, be sure to use very bright foreground colors. Furthermore, avoid using #090459 for important graphical elements or controls without sufficient contrast, as this could impact usability for users with visual impairments.

Shades

Digital Color Formats

RGB
9 4 89
RGB9 4 89
Red
Green
Blue
HSL
243.53deg 91.4% 18.24%
243.5391.418.24HSL
Hue
Saturation
Lightness
HWB
243.53deg 1.57% 65.1%
243.531.5765.1HWB
Hue
Whiteness
Blackness
hex#090459
rgb9 4 89
hsl243.53deg 91.4% 18.24%
cmyk89.89% 95.51% 0% 65.1%
hwb243.53deg 1.57% 65.1%
xyz-d650.02 0.01 0.1
oklch0.2208 0.1379 269.43
oklab0.2208 0 -0.14
CMYK
89.89% 95.51% 0% 65.1%
89.8995.51065.1CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.01 0.1
0.020.010.1XYZ
X
Y
Z
OKLCH
0.2208 0.1379 269.43
0.22080.1379269.43LCH
Lightness
Chroma
Hue
OKLAB
0.2208 0 -0.14
0.22080-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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