Gulf Blue

#000257

General Information about Gulf Blue (#000257)

The hex color #000257, also known as Gulf Blue, is a very dark shade of blue with minimal red and green components and a dominant blue component. It belongs to the family of blue colors and falls within the darker end of the spectrum. This color is often associated with depth, mystery, and sophistication. In color theory, it's considered a cool color, which can evoke feelings of calmness and tranquility. However, its darkness also lends it a sense of formality and seriousness. Due to its low brightness, it's important to use it judiciously, especially in designs where readability and contrast are crucial factors. Its RGB value is R:0, G:2, B:87 and its CMYK value is C:100, M:98, Y:0, K:66.

The hex color #000257, also known as Gulf Blue, presents significant accessibility challenges due to its very dark nature. Its extremely low lightness value means that it provides insufficient contrast against typical light-colored backgrounds like white or light gray. According to WCAG guidelines, sufficient contrast is crucial for readability and usability, especially for users with visual impairments. To ensure accessibility, it's imperative to use this color sparingly and only with very light foreground text or elements that meet the minimum contrast ratios. For text, a contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text. In practical terms, pairing #000257 with colors approaching pure white may achieve acceptable contrast, but careful testing and validation are essential. Avoid using this color for crucial interactive elements or areas where readability is paramount, unless stringent contrast requirements are met. If possible, consider using a lighter shade of blue to enhance accessibility.

Shades

Digital Color Formats

RGB
0 2 87
RGB0 2 87
Red
Green
Blue
HSL
238.62deg 100% 17.06%
238.6210017.06HSL
Hue
Saturation
Lightness
HWB
238.62deg 0% 65.88%
238.62065.88HWB
Hue
Whiteness
Blackness
hex#000257
rgb0 2 87
hsl238.62deg 100% 17.06%
cmyk100% 97.7% 0% 65.88%
hwb238.62deg 0% 65.88%
xyz-d650.02 0.01 0.09
oklch0.2095 0.141 264.17
oklab0.2095 -0.01 -0.14
CMYK
100% 97.7% 0% 65.88%
10097.7065.88CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.01 0.09
0.020.010.09XYZ
X
Y
Z
OKLCH
0.2095 0.141 264.17
0.20950.141264.17LCH
Lightness
Chroma
Hue
OKLAB
0.2095 -0.01 -0.14
0.2095-0.01-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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