Ultramarine

#071591

General Information about Ultramarine

Ultramarine, represented by the hex code #071591, is a deep and intense blue color. Historically, ultramarine was a pigment derived from lapis lazuli, making it a highly prized and expensive color, often associated with royalty and religious figures. The name 'ultramarine' literally means 'beyond the sea,' referring to the fact that the pigment had to be imported to Europe from mines in Asia. Today, synthetic ultramarine is widely available, making it a more accessible color. It evokes feelings of depth, stability, and sophistication, often associated with trust, authority, and intelligence. It is a non-spectral color, as it is not found in the rainbow spectrum.

The hex color #071591, a deep ultramarine, presents significant accessibility challenges, especially in web design. Its very low luminance necessitates careful consideration of color contrast. When used for text, it demands a light background to ensure readability, ideally achieving a contrast ratio well above the WCAG minimum of 4.5:1 for normal text and 3:1 for large text. Using it for interactive elements like buttons or links also requires distinct visual cues beyond color alone, such as underlines or borders, to cater to users with visual impairments or color blindness. The color should be tested with accessibility evaluation tools to avoid excluding any users.

Shades

Digital Color Formats

RGB
7 21 145
RGB7 21 145
Red
Green
Blue
HSL
233.91deg 90.79% 29.8%
233.9190.7929.8HSL
Hue
Saturation
Lightness
HWB
233.91deg 2.75% 43.14%
233.912.7543.14HWB
Hue
Whiteness
Blackness
hex#071591
rgb7 21 145
hsl233.91deg 90.79% 29.8%
cmyk95.17% 85.52% 0% 43.14%
hwb233.91deg 2.75% 43.14%
xyz-d650.05 0.03 0.27
oklch0.3163 0.1924 265.6
oklab0.3163 -0.01 -0.19
CMYK
95.17% 85.52% 0% 43.14%
95.1785.52043.14CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.03 0.27
0.050.030.27XYZ
X
Y
Z
OKLCH
0.3163 0.1924 265.6
0.31630.1924265.6LCH
Lightness
Chroma
Hue
OKLAB
0.3163 -0.01 -0.19
0.3163-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

Buttons