Ultramarine

#19098F

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #19098F, is a deep and vivid shade of blue. Historically, ultramarine pigment was derived from the semi-precious stone lapis lazuli, making it one of the most expensive and highly prized pigments during the medieval and Renaissance periods. The name "ultramarine" literally means "beyond the sea," referring to its origin from across the sea, specifically from mines in Afghanistan. Today, synthetic ultramarine is widely available, making it more accessible and affordable. This color is often associated with royalty, nobility, and spirituality due to its historical value and striking appearance. In color psychology, ultramarine is often linked to feelings of calmness, trust, and intelligence.

The color #19098F, a deep ultramarine, presents significant accessibility challenges, especially in text applications. Its low luminance value of approximately 2% means it offers very little contrast against darker backgrounds, making it nearly invisible. When used with white or very light backgrounds, the contrast ratio is considerably low, failing to meet WCAG (Web Content Accessibility Guidelines) standards for normal text (4.5:1) and large text (3:1). To ensure readability and accessibility, it's imperative to pair this color with much lighter hues. For instance, using #19098F as a background color would necessitate employing text in shades of white or very light yellow to achieve an acceptable contrast ratio. Tools like contrast checkers can help verify compliance. Avoid using this color for crucial information, links, or interactive elements without careful consideration of its contrast against its surroundings. Users with visual impairments may struggle to perceive content rendered in this color if contrast is not sufficiently addressed.

Shades

Digital Color Formats

RGB
25 9 143
RGB25 9 143
Red
Green
Blue
HSL
247.16deg 88.16% 29.8%
247.1688.1629.8HSL
Hue
Saturation
Lightness
HWB
247.16deg 3.53% 43.92%
247.163.5343.92HWB
Hue
Whiteness
Blackness
hex#19098F
rgb25 9 143
hsl247.16deg 88.16% 29.8%
cmyk82.52% 93.71% 0% 43.92%
hwb247.16deg 3.53% 43.92%
xyz-d650.05 0.02 0.26
oklch0.3101 0.193 270.89
oklab0.3101 0 -0.19
CMYK
82.52% 93.71% 0% 43.92%
82.5293.71043.92CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.26
0.050.020.26XYZ
X
Y
Z
OKLCH
0.3101 0.193 270.89
0.31010.193270.89LCH
Lightness
Chroma
Hue
OKLAB
0.3101 0 -0.19
0.31010-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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