Ultramarine

#09148F

About Ultramarine (#09148F)

Ultramarine, represented by the hexadecimal color code #09148F, is a deep and intense shade of blue. Historically, Ultramarine was derived from the precious gemstone lapis lazuli, making it one of the most expensive and highly prized pigments during the medieval and Renaissance periods. The name 'Ultramarine' comes from the Latin 'ultramarinus,' meaning 'beyond the sea,' referring to its origin from stones imported into Europe from Asia. Chemically, it is a complex sodium aluminosilicate with sulfur, giving it its characteristic blue hue. In modern times, synthetic Ultramarine is widely available, offering the same vibrant color at a fraction of the cost. This color is often associated with royalty, intelligence, and spirituality, making it a popular choice in various artistic and design applications.

The color #09148F, also known as Ultramarine, presents several accessibility considerations for web developers. Its dark hue results in very low contrast against a standard white background, which can pose significant challenges for users with visual impairments. To ensure readability and usability, it is essential to pair this color with very light text colors, such as white (#FFFFFF) or very light grays. Adhering to WCAG (Web Content Accessibility Guidelines) contrast ratios is crucial; a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text is recommended. Additionally, avoid using this color for crucial interactive elements or links without sufficient visual cues, as users might not be able to distinguish them easily. Providing alternative visual cues, such as underlines or icons, can help improve accessibility. When using this color, always test its appearance with assistive technologies and consider user feedback to make necessary adjustments, ensuring an inclusive user experience.

Shades

Digital Color Formats

RGB
9 20 143
RGB9 20 143
Red
Green
Blue
HSL
235.07deg 88.16% 29.8%
235.0788.1629.8HSL
Hue
Saturation
Lightness
HWB
235.07deg 3.53% 43.92%
235.073.5343.92HWB
Hue
Whiteness
Blackness
hex#09148F
rgb9 20 143
hsl235.07deg 88.16% 29.8%
cmyk93.71% 86.01% 0% 43.92%
hwb235.07deg 3.53% 43.92%
xyz-d650.05 0.03 0.26
oklch0.3131 0.1905 266.06
oklab0.3131 -0.01 -0.19
CMYK
93.71% 86.01% 0% 43.92%
93.7186.01043.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.03 0.26
0.050.030.26XYZ
X
Y
Z
OKLCH
0.3131 0.1905 266.06
0.31310.1905266.06LCH
Lightness
Chroma
Hue
OKLAB
0.3131 -0.01 -0.19
0.3131-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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