Ultramarine

#0D138B

General Information about Ultramarine

Ultramarine, represented by the hexadecimal color code #0D138B, is a deep and intense shade of blue, reminiscent of the precious pigment derived from lapis lazuli. Historically, ultramarine was highly valued and expensive, often reserved for use in religious art and royal commissions. Its name, derived from the Latin 'ultramarinus,' literally means 'beyond the sea,' reflecting its origin from distant lands. In color theory, Ultramarine is associated with qualities such as depth, stability, and wisdom. It is often used to evoke feelings of calmness, trust, and authority. Psychologically, blue is known to have a soothing effect, reducing stress and promoting relaxation. In branding and design, Ultramarine can be used to convey a sense of professionalism, reliability, and sophistication.

The color #0D138B, also known as Ultramarine, presents some accessibility challenges, particularly in text applications. Due to its dark hue, it requires careful consideration of contrast ratios to ensure readability for users with visual impairments. When used as a background color, it's imperative to pair it with light-colored text, such as white or a very pale yellow, to meet WCAG (Web Content Accessibility Guidelines) standards for contrast. A contrast ratio of at least 4.5:1 is recommended for normal text and 3:1 for large text. Avoid using this color for small text or essential UI elements unless a sufficient contrast ratio can be achieved. In situations where high contrast is difficult to achieve, consider providing alternative color schemes or allowing users to customize the display settings to enhance readability. Furthermore, be mindful of colorblindness, as certain shades of blue can be difficult to distinguish for individuals with tritanopia or tritanomaly. Providing redundant cues, such as text labels or icons, can further improve accessibility for all users.

Shades

Digital Color Formats

RGB
13 19 139
RGB13 19 139
Red
Green
Blue
HSL
237.14deg 82.89% 29.8%
237.1482.8929.8HSL
Hue
Saturation
Lightness
HWB
237.14deg 5.1% 45.49%
237.145.145.49HWB
Hue
Whiteness
Blackness
hex#0D138B
rgb13 19 139
hsl237.14deg 82.89% 29.8%
cmyk90.65% 86.33% 0% 45.49%
hwb237.14deg 5.1% 45.49%
xyz-d650.05 0.02 0.25
oklch0.308 0.1857 267.08
oklab0.308 -0.01 -0.19
CMYK
90.65% 86.33% 0% 45.49%
90.6586.33045.49CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.05 0.02 0.25
0.050.020.25XYZ
X
Y
Z
OKLCH
0.308 0.1857 267.08
0.3080.1857267.08LCH
Lightness
Chroma
Hue
OKLAB
0.308 -0.01 -0.19
0.308-0.01-0.19LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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