Ultramarine

#1F03B0

General Information about Ultramarine (#1F03B0)

The hex color #1F03B0, also known as Ultramarine, is a deep shade of blue with a rich and vibrant character. It is a tertiary color, resulting from a mix of primary blue and secondary violet. In the RGB color model, it is composed of 12.2% red, 1.18% green, and 69% blue. In the CMYK color model, it is composed of 82.32% cyan, 98.29% magenta, 0% yellow, and 31% black. Ultramarine is often associated with feelings of calmness, serenity, and sophistication. It is a popular choice for branding, web design, and interior design, where it can be used to create a sense of trust and stability. Due to its high blue component, it can evoke a sense of depth and spaciousness.

The color #1F03B0, also known as Ultramarine, presents certain accessibility challenges, especially when used as a foreground color on a white or light-colored background. Its low luminance value of approximately 3% can result in insufficient contrast, making it difficult for users with visual impairments to read text or distinguish elements. According to WCAG guidelines, the minimum contrast ratio for standard text is 4.5:1, which this color may not meet when paired with lighter shades. For optimal accessibility, it is recommended to use Ultramarine with lighter colors that provide a high contrast ratio, or to use it sparingly for decorative elements rather than essential information. Consider using color contrast analyzers to ensure sufficient contrast and readability for all users. Alternative color combinations, such as pairing it with white text for a strong contrast. Additionally, providing alternative cues, like icons or labels, alongside color-coded information can enhance usability for individuals with color vision deficiencies.

Shades

Digital Color Formats

RGB
31 3 176
RGB31 3 176
Red
Green
Blue
HSL
249.71deg 96.65% 35.1%
249.7196.6535.1HSL
Hue
Saturation
Lightness
HWB
249.71deg 1.18% 30.98%
249.711.1830.98HWB
Hue
Whiteness
Blackness
hex#1F03B0
rgb31 3 176
hsl249.71deg 96.65% 35.1%
cmyk82.39% 98.3% 0% 30.98%
hwb249.71deg 1.18% 30.98%
xyz-d650.08 0.03 0.41
oklch0.3543 0.2294 270.37
oklab0.3543 0 -0.23
CMYK
82.39% 98.3% 0% 30.98%
82.3998.3030.98CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.08 0.03 0.41
0.080.030.41XYZ
X
Y
Z
OKLCH
0.3543 0.2294 270.37
0.35430.2294270.37LCH
Lightness
Chroma
Hue
OKLAB
0.3543 0 -0.23
0.35430-0.23LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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