Gulf Blue

#000B5D

General Information about Gulf Blue (#000B5D)

The color #000B5D, also known as Gulf Blue, is a very dark shade of blue. It belongs to the blue color family and is characterized by its low lightness and saturation. In the RGB color model, it consists of 0% red, 4.3% green, and 36.5% blue. This color is often associated with depth, stability, and sophistication. It can be used to create a sense of calmness and serenity, or to add a touch of elegance and formality. In terms of color theory, #000B5D is a cool color that can be used to balance warmer tones. It can also be used to create contrast with lighter colors.

The hex color #000B5D, also known as Gulf Blue, presents significant accessibility challenges due to its extremely dark nature. Its low luminance results in very poor contrast against standard light-colored backgrounds, such as white or light gray. This lack of contrast makes text and other visual elements difficult to read and discern for users with visual impairments, including those with low vision or color blindness. To ensure accessibility, it is crucial to use #000B5D sparingly and only in conjunction with very light foreground colors that provide a high contrast ratio, ideally exceeding the WCAG (Web Content Accessibility Guidelines) recommended ratios of 4.5:1 for normal text and 3:1 for large text. Avoid using this color for critical information or interactive elements without careful consideration of its impact on users with disabilities. A thorough accessibility audit should be conducted to validate the color combination.

Shades

Digital Color Formats

RGB
0 11 93
RGB0 11 93
Red
Green
Blue
HSL
232.9deg 100% 18.24%
232.910018.24HSL
Hue
Saturation
Lightness
HWB
232.9deg 0% 63.53%
232.9063.53HWB
Hue
Whiteness
Blackness
hex#000B5D
rgb0 11 93
hsl232.9deg 100% 18.24%
cmyk100% 88.17% 0% 63.53%
hwb232.9deg 0% 63.53%
xyz-d650.02 0.01 0.1
oklch0.2308 0.14 264.17
oklab0.2308 -0.01 -0.14
CMYK
100% 88.17% 0% 63.53%
10088.17063.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.01 0.1
0.020.010.1XYZ
X
Y
Z
OKLCH
0.2308 0.14 264.17
0.23080.14264.17LCH
Lightness
Chroma
Hue
OKLAB
0.2308 -0.01 -0.14
0.2308-0.01-0.14LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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