Gulf Blue

#00015D

General Information about Gulf Blue (#00015D)

The hex color code #00015D, often referred to as Gulf Blue, is a deep, dark shade of blue with minimal green and red components. It is located at the far blue end of the color spectrum, registering a very low luminance. Due to its low brightness, this color is often perceived as sophisticated and serene but can pose challenges in terms of accessibility if not used carefully. In the RGB color model, it consists of 0 red, 1 green, and 93 blue. In the CMYK color model, which is used in printing, its composition includes 100% cyan, 99% magenta, 0% yellow, and 64% black. Its primary association is with depth, stability, and trust, making it suitable for designs aiming to convey these qualities, although accessibility considerations need careful attention.

The hex color #00015D, also known as Gulf Blue, presents significant accessibility challenges due to its extremely low luminance value. With such a dark shade, it's crucial to use it judiciously, primarily as a background color paired with very light text or interface elements. According to WCAG guidelines, sufficient contrast is essential for readability and usability, especially for users with visual impairments. To ensure compliance, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. When using #00015D as a background, always verify that the foreground text meets these contrast requirements. Tools like WebAIM's Contrast Checker can be invaluable for this purpose. Avoid using this color for small text or intricate graphical details, as they may become illegible. Consider providing alternative color schemes for users who require higher contrast.

Shades

Digital Color Formats

RGB
0 1 93
RGB0 1 93
Red
Green
Blue
HSL
239.35deg 100% 18.24%
239.3510018.24HSL
Hue
Saturation
Lightness
HWB
239.35deg 0% 63.53%
239.35063.53HWB
Hue
Whiteness
Blackness
hex#00015D
rgb0 1 93
hsl239.35deg 100% 18.24%
cmyk100% 98.92% 0% 63.53%
hwb239.35deg 0% 63.53%
xyz-d650.02 0.01 0.1
oklch0.2176 0.1489 264.12
oklab0.2176 -0.02 -0.15
CMYK
100% 98.92% 0% 63.53%
10098.92063.53CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.01 0.1
0.020.010.1XYZ
X
Y
Z
OKLCH
0.2176 0.1489 264.12
0.21760.1489264.12LCH
Lightness
Chroma
Hue
OKLAB
0.2176 -0.02 -0.15
0.2176-0.02-0.15LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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