Gulf Blue

#021B5C

General Information about Gulf Blue

The hex color #021B5C, also known as Gulf Blue, is a dark shade of blue that evokes feelings of depth, sophistication, and tranquility. It belongs to the blue color family and has a very low saturation and luminance, making it appear almost black in certain lighting conditions. In the RGB color model, it is composed of 0.78% red, 10.59% green, and 36.08% blue. In the CMYK color model, it is composed of 98% cyan, 71% magenta, 0% yellow, and 64% black. This color is often associated with trust, loyalty, and stability, making it a popular choice for corporate branding and logos. Its dark and mysterious nature also makes it suitable for creating a sense of drama or intrigue in design projects.

The hex color #021B5C, also known as Gulf Blue, presents significant accessibility challenges due to its very dark nature. Its low luminance results in poor contrast when used with lighter colors, particularly white or pale yellows. According to WCAG guidelines, sufficient contrast is crucial for readability, especially for users with visual impairments. A contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using #021B5C for text on a white background would likely fail these contrast tests, making the text difficult to read. Therefore, it's advisable to avoid using this color for text or interactive elements without carefully considering the background color. Pairing it with very light shades or using it sparingly for decorative purposes can mitigate accessibility issues. Tools like contrast checkers can help determine if color combinations meet accessibility standards.

Shades

Digital Color Formats

RGB
2 27 92
RGB2 27 92
Red
Green
Blue
HSL
223.33deg 95.74% 18.43%
223.3395.7418.43HSL
Hue
Saturation
Lightness
HWB
223.33deg 0.78% 63.92%
223.330.7863.92HWB
Hue
Whiteness
Blackness
hex#021B5C
rgb2 27 92
hsl223.33deg 95.74% 18.43%
cmyk97.83% 70.65% 0% 63.92%
hwb223.33deg 0.78% 63.92%
xyz-d650.02 0.02 0.1
oklch0.2581 0.1201 263.03
oklab0.2581 -0.01 -0.12
CMYK
97.83% 70.65% 0% 63.92%
97.8370.65063.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.02 0.1
0.020.020.1XYZ
X
Y
Z
OKLCH
0.2581 0.1201 263.03
0.25810.1201263.03LCH
Lightness
Chroma
Hue
OKLAB
0.2581 -0.01 -0.12
0.2581-0.01-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons