Ultramarine

#1B1088

General Information

The hex color #1B1088, also known as Ultramarine, is a deep shade of blue with a strong presence. It belongs to the blue color family and carries with it associations of trust, stability, and intelligence. In the RGB color model, #1B1088 is composed of 10.6% red, 6.3% green, and 53.3% blue. This particular blend gives it a rich and intense character. In the world of color theory, Ultramarine is often associated with depth and wisdom. It is a color that can evoke a sense of calm and serenity, making it a popular choice for various design applications. Historically, ultramarine pigment was derived from lapis lazuli, making it one of the most expensive and highly prized colors.

The color #1B1088, a deep shade of ultramarine, presents some accessibility challenges, especially when used as a foreground color on a white background or vice versa. Its low luminance contrast may make it difficult for users with visual impairments to distinguish text or elements. According to WCAG guidelines, a contrast ratio of at least 4.5:1 is recommended for standard text and 3:1 for large text. To improve accessibility, consider pairing #1B1088 with lighter hues such as whites, creams, or light yellows, which significantly increase the contrast ratio. Alternatively, using #1B1088 for larger graphical elements or as a background for lighter text can be effective. Thoughtful color combinations and careful consideration of contrast are crucial for ensuring an inclusive user experience. Moreover, avoid using color alone to convey important information; supplement with text or icons.

Shades

Digital Color Formats

RGB
27 16 136
RGB27 16 136
Red
Green
Blue
HSL
245.5deg 78.95% 29.8%
245.578.9529.8HSL
Hue
Saturation
Lightness
HWB
245.5deg 6.27% 46.67%
245.56.2746.67HWB
Hue
Whiteness
Blackness
hex#1B1088
rgb27 16 136
hsl245.5deg 78.95% 29.8%
cmyk80.15% 88.24% 0% 46.67%
hwb245.5deg 6.27% 46.67%
xyz-d650.05 0.02 0.23
oklch0.3076 0.1806 272.1
oklab0.3076 0.01 -0.18
CMYK
80.15% 88.24% 0% 46.67%
80.1588.24046.67CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.23
0.050.020.23XYZ
X
Y
Z
OKLCH
0.3076 0.1806 272.1
0.30760.1806272.1LCH
Lightness
Chroma
Hue
OKLAB
0.3076 0.01 -0.18
0.30760.01-0.18LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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