Gulf Blue

#04005D

General Information about Gulf Blue (#04005D)

The hex color #04005D, also known as Gulf Blue, is a very dark shade of blue that falls within the blue color family. It has a very low red, green, and a somewhat higher blue component in the RGB color model. In the CMYK color model, it has a high percentage of cyan, magenta, and black, with almost no yellow. This composition makes it appear as a deep, almost black, blue color. Colors like #04005D are often used to convey a sense of depth, mystery, or sophistication. It’s a color that is rarely found in nature, making it feel somewhat artificial or technologically advanced. Understanding its properties allows designers to use it effectively in various applications.

The hex color #04005D, often referred to as Gulf Blue, presents significant accessibility challenges, particularly for users with visual impairments. Its extremely low luminance value (very close to black) means that it offers very little contrast against common background colors like white. According to WCAG guidelines, sufficient contrast is crucial for readability and usability. To ensure accessibility, using #04005D for text requires a very light color such as white or a very light shade of yellow as the foreground. It is also important to consider color blindness, ensure that information conveyed by this color is also available through other visual cues or text labels. When used for decorative purposes, the accessibility implications are less critical, but still should be considered.

Shades

Digital Color Formats

RGB
4 0 93
RGB4 0 93
Red
Green
Blue
HSL
242.58deg 100% 18.24%
242.5810018.24HSL
Hue
Saturation
Lightness
HWB
242.58deg 0% 63.53%
242.58063.53HWB
Hue
Whiteness
Blackness
hex#04005D
rgb4 0 93
hsl242.58deg 100% 18.24%
cmyk95.7% 100% 0% 63.53%
hwb242.58deg 0% 63.53%
xyz-d650.02 0.01 0.1
oklch0.2186 0.1481 266.42
oklab0.2186 -0.01 -0.15
CMYK
95.7% 100% 0% 63.53%
95.7100063.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.01 0.1
0.020.010.1XYZ
X
Y
Z
OKLCH
0.2186 0.1481 266.42
0.21860.1481266.42LCH
Lightness
Chroma
Hue
OKLAB
0.2186 -0.01 -0.15
0.2186-0.01-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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