Gulf Blue

#031B5A

General Information

The hex color #031B5A, also known as Gulf Blue, is a very dark shade of blue. It is composed of 1.18% red, 10.59% green, and 35.29% blue. In the RGB color model, #031B5A has the numerical representation (3, 27, 90). Gulf Blue is often associated with depth, stability, and trustworthiness, making it a popular choice for corporate branding and designs aiming to convey a sense of reliability. However, its darkness requires careful consideration of contrast when used with text or other visual elements. This color can evoke feelings of calmness and introspection, making it suitable for environments intended to promote focus and relaxation. Its unique hue distinguishes it from more common blues, offering a sophisticated and slightly mysterious aesthetic.

The color #031B5A, also known as Gulf Blue, presents significant accessibility challenges due to its very dark hue. When used as a background, it necessitates extremely light text to ensure sufficient contrast for readability, particularly for users with visual impairments. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Given the darkness of Gulf Blue, achieving this ratio requires careful selection of foreground colors. Using it for interactive elements like buttons or links demands clear visual cues beyond color alone, such as underlines or icons, to ensure usability for all users. Designers should prioritize accessibility by conducting thorough contrast checks and user testing to validate color choices.

Shades

Digital Color Formats

RGB
3 27 90
RGB3 27 90
Red
Green
Blue
HSL
223.45deg 93.55% 18.24%
223.4593.5518.24HSL
Hue
Saturation
Lightness
HWB
223.45deg 1.18% 64.71%
223.451.1864.71HWB
Hue
Whiteness
Blackness
hex#031B5A
rgb3 27 90
hsl223.45deg 93.55% 18.24%
cmyk96.67% 70% 0% 64.71%
hwb223.45deg 1.18% 64.71%
xyz-d650.02 0.02 0.1
oklch0.2563 0.1169 263.29
oklab0.2563 -0.01 -0.12
CMYK
96.67% 70% 0% 64.71%
96.6770064.71CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.02 0.02 0.1
0.020.020.1XYZ
X
Y
Z
OKLCH
0.2563 0.1169 263.29
0.25630.1169263.29LCH
Lightness
Chroma
Hue
OKLAB
0.2563 -0.01 -0.12
0.2563-0.01-0.12LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons