Ultramarine

#010397

General Information about Ultramarine (#010397)

The hexadecimal color code #010397 represents a shade of deep blue known as Ultramarine. It is composed of 0.4% red, 1.2% green, and 59.2% blue. In the RGB color model, this translates to 1 red, 3 green, and 151 blue. Ultramarine is often associated with depth, stability, and intelligence. Historically, the pigment was derived from the gemstone lapis lazuli and was highly prized for its intense color. Because of its origin and price, it was often used for the robes of the Virgin Mary in paintings in the 14th and 15th century. Today, synthetic versions are readily available, making it a popular color in various applications.

The hex color #010397, a deep ultramarine, presents significant accessibility challenges, particularly for users with visual impairments. Its low luminance value of 0.002 necessitates careful consideration of contrast ratios. According to WCAG guidelines, a minimum contrast ratio of 4.5:1 is required for normal text and 3:1 for large text against the background. To ensure readability, white or very light shades are recommended as text colors against the #010397 background. Using colors with similar darkness values can make it difficult for users to distinguish between elements on the page. Also, avoid using this color to convey important information without additional cues, as colorblind users may not be able to perceive it accurately. Careful design choices are crucial to make content accessible to everyone.

Shades

Digital Color Formats

RGB
1 3 151
RGB1 3 151
Red
Green
Blue
HSL
239.2deg 98.68% 29.8%
239.298.6829.8HSL
Hue
Saturation
Lightness
HWB
239.2deg 0.39% 40.78%
239.20.3940.78HWB
Hue
Whiteness
Blackness
hex#010397
rgb1 3 151
hsl239.2deg 98.68% 29.8%
cmyk99.34% 98.01% 0% 40.78%
hwb239.2deg 0.39% 40.78%
xyz-d650.06 0.02 0.29
oklch0.3082 0.2102 264.33
oklab0.3082 -0.02 -0.21
CMYK
99.34% 98.01% 0% 40.78%
99.3498.01040.78CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.02 0.29
0.060.020.29XYZ
X
Y
Z
OKLCH
0.3082 0.2102 264.33
0.30820.2102264.33LCH
Lightness
Chroma
Hue
OKLAB
0.3082 -0.02 -0.21
0.3082-0.02-0.21LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons