Ultramarine

#0B1890

General Information about #0b1890

The hex color #0b1890 is a deep shade of blue, often referred to as ultramarine. It sits firmly within the blue color spectrum and conveys feelings of stability, trust, and intelligence. In the RGB color model, it is composed of 4.31% red, 9.41% green, and 56.47% blue. This significant presence of blue contributes to its characteristic deep and calming appearance. Ultramarine, historically derived from the gemstone lapis lazuli, has long been valued for its rich, intense color. It has been used in art, design, and various other applications throughout history. The color is most often associated with trust and authority.

The hex color #0b1890, a deep ultramarine, presents some accessibility challenges, especially concerning color contrast. When used as a background color, it requires very light text (white or near-white) to ensure readability. 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 #0b1890, careful consideration must be given to foreground text colors. Using online contrast checkers can help verify compliance. Additionally, avoid using this color for conveying crucial information without redundant cues, as users with visual impairments might struggle to differentiate it from similar dark shades. Providing alternative visual cues, such as icons or text labels, is highly recommended to enhance overall accessibility.

Shades

Digital Color Formats

RGB
11 24 144
RGB11 24 144
Red
Green
Blue
HSL
234.14 85.81% 30.39%
234.1485.8130.39HSL
Hue
Saturation
Lightness
HWB
234.14 4.31% 43.53%
234.144.3143.53HWB
Hue
Whiteness
Blackness
hex#0B1890
rgb11 24 144
hsl234.14 85.81% 30.39%
cmyk92.36% 83.33% 0% 43.53%
hwb234.14 4.31% 43.53%
xyz5.5 2.74 26.62
CMYK
92.36% 83.33% 0% 43.53%
92.3683.33043.53CMYK
Cyan
Magenta
Yellow
Key
XYZ
5.5 2.74 26.62
5.52.7426.62XYZ
X
Y
Z

Alternative colors

Applications

Complementary color

Buttons

HexColo.rs © 2025