Gulf Blue

#0B0D51

General Information about Gulf Blue

The hexadecimal color code #0B0D51 represents a dark shade of blue, often referred to as Gulf Blue. It is composed of 4.31% red, 5.1% green, and 31.76% blue. In the RGB color model, this translates to 11 red, 13 green, and 81 blue. The color falls within the cool spectrum, evoking feelings of calmness, depth, and sophistication. In the HSL (Hue, Saturation, Lightness) model, #0B0D51 has a hue of 237 degrees, a saturation of 76.9%, and a lightness of 18.4%. This indicates a strong blue tone with relatively low brightness. Gulf Blue is commonly used in designs aiming to convey stability, trustworthiness, or a sense of the nautical. Its darkness makes it suitable for backgrounds or accent elements where a strong visual impact is desired, provided that it is paired with lighter colors to maintain readability.

The hex color #0B0D51, also known as Gulf Blue, presents accessibility challenges, particularly in text-based applications. Its low lightness value results in a poor contrast ratio against standard white backgrounds, potentially making it difficult for users with visual impairments to read text rendered in this color. To improve accessibility, it's crucial to pair #0B0D51 with lighter colors for text or user interface elements. A contrast ratio of at least 4.5:1 is recommended for normal-sized text and 3:1 for large text, according to WCAG guidelines. Tools like contrast checkers can help evaluate and adjust color combinations to meet these standards, ensuring a more inclusive design. Consideration should also be given to users with color vision deficiencies, where relying solely on color to convey information is discouraged. The use of icons or text alongside color-coded elements can help to avoid confusion.

Shades

Digital Color Formats

RGB
11 13 81
RGB11 13 81
Red
Green
Blue
HSL
238.29 76.09% 18.04%
238.2976.0918.04HSL
Hue
Saturation
Lightness
HWB
238.29 4.31% 68.24%
238.294.3168.24HWB
Hue
Whiteness
Blackness
hex#0B0D51
rgb11 13 81
hsl238.29 76.09% 18.04%
cmyk86.42% 83.95% 0% 68.24%
hwb238.29 4.31% 68.24%
xyz1.77 0.95 7.88
CMYK
86.42% 83.95% 0% 68.24%
86.4283.95068.24CMYK
Cyan
Magenta
Yellow
Key
XYZ
1.77 0.95 7.88
1.770.957.88XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025