Ultramarine

#1F0D92

General Information about Ultramarine

The hexadecimal color code #1F0D92 represents a deep, saturated shade of blue known as Ultramarine. It is composed of 12.2% red, 5.1% green, and 57.3% blue. In the RGB color space, it is equivalent to (31, 13, 146). Ultramarine is a color that evokes feelings of depth, calmness, and sophistication. It is often associated with royalty, wisdom, and spirituality. Historically, Ultramarine was derived from the precious mineral lapis lazuli, making it a highly prized pigment used in paintings and illuminated manuscripts. Today, synthetic Ultramarine is widely available, offering the same vibrant hue at a more affordable cost. This color belongs to the blue color family and has a cool undertone.

The color #1F0D92, a deep ultramarine, presents significant accessibility challenges, particularly for users with visual impairments. Its low luminance value of approximately 4% means that text rendered in this color requires very light foreground colors to achieve sufficient contrast. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. Using #1F0D92 for text or interactive elements necessitates careful selection of contrasting colors to ensure readability and usability. Insufficient contrast can lead to eye strain and make it difficult for users to distinguish content. When using this color, developers should rigorously test the contrast ratios with tools like WebAIM's Contrast Checker to ensure compliance with accessibility standards. Also avoid using this color for critical UI elements that rely solely on color to convey the information.

Shades

Digital Color Formats

RGB
31 13 146
RGB31 13 146
Red
Green
Blue
HSL
248.12deg 83.65% 31.18%
248.1283.6531.18HSL
Hue
Saturation
Lightness
HWB
248.12deg 5.1% 42.75%
248.125.142.75HWB
Hue
Whiteness
Blackness
hex#1F0D92
rgb31 13 146
hsl248.12deg 83.65% 31.18%
cmyk78.77% 91.1% 0% 42.75%
hwb248.12deg 5.1% 42.75%
xyz-d650.06 0.03 0.27
oklch0.3205 0.1928 272.84
oklab0.3205 0.01 -0.19
CMYK
78.77% 91.1% 0% 42.75%
78.7791.1042.75CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.06 0.03 0.27
0.060.030.27XYZ
X
Y
Z
OKLCH
0.3205 0.1928 272.84
0.32050.1928272.84LCH
Lightness
Chroma
Hue
OKLAB
0.3205 0.01 -0.19
0.32050.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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