Ultramarine

#1B0197

General Information about Ultramarine (#1B0197)

The hexadecimal color #1B0197, also known as Ultramarine, is a deep, saturated blue color. It is composed of 10.6% red, 0.4% green, and 59.2% blue. In the RGB color space, it is represented as (27, 1, 151). Ultramarine is often associated with royalty, wisdom, and spirituality. It has a rich history, dating back to ancient times when it was derived from the semi-precious stone lapis lazuli. This color was highly valued and often used in paintings by Renaissance artists. Today, Ultramarine is widely used in various applications, including web design, fashion, and interior design. Its depth and richness make it a popular choice for creating a sense of sophistication and elegance. This color is frequently used in branding and graphic design to convey trust, stability, and authority.

The color #1B0197, a deep ultramarine, presents significant accessibility challenges, especially for users with visual impairments. Its low luminance value necessitates careful consideration of contrast ratios when used for text or interactive elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is required for normal text and 3:1 for large text against its background. Using #1B0197 for text on a white background fails to meet these standards, making it difficult for many users to read. To improve accessibility, designers should pair #1B0197 with much lighter colors to ensure sufficient contrast. Avoid using it for crucial information or interactive elements without proper contrast adjustments. Providing alternative color schemes can further enhance accessibility for users with specific visual needs.

Shades

Digital Color Formats

RGB
27 1 151
RGB27 1 151
Red
Green
Blue
HSL
250.4deg 98.68% 29.8%
250.498.6829.8HSL
Hue
Saturation
Lightness
HWB
250.4deg 0.39% 40.78%
250.40.3940.78HWB
Hue
Whiteness
Blackness
hex#1B0197
rgb27 1 151
hsl250.4deg 98.68% 29.8%
cmyk82.12% 99.34% 0% 40.78%
hwb250.4deg 0.39% 40.78%
xyz-d650.06 0.02 0.29
oklch0.3168 0.2048 271.09
oklab0.3168 0 -0.2
CMYK
82.12% 99.34% 0% 40.78%
82.1299.34040.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.29
0.060.020.29XYZ
X
Y
Z
OKLCH
0.3168 0.2048 271.09
0.31680.2048271.09LCH
Lightness
Chroma
Hue
OKLAB
0.3168 0 -0.2
0.31680-0.2LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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