Ultramarine blue

#4166F5

Blue-Violet Family →

What Color is Ultramarine blue

#4166F5 is a vivid and saturated hue that sits at the intersection of blue and violet. Historically prized for its intensity, this specific digital shade captures the electric energy of synthetic pigments. It functions as a magnetic focal point in any visual composition.

What color is opposite Ultramarine blue?

The opposite color to Ultramarine blue is Bright Sun (#f5d142).

View Bright Sun

Additional Information

  • Color Family: Blue-Violet
  • Temperature: Cool
  • Associated Season: Spring
  • Complementary Color: #F5D142
  • Brightness: 107/255
  • Saturation: 73%

Colors That Pair Well With Ultramarine blue

Complementary

Pair with Bright Sun for a harmonious, balanced look. Great for backgrounds and accents.

#4166F5#f5d142

High Contrast

Use Buddha Gold for maximum readability. Ideal for text or critical UI elements.

#4166F5#be990a

Harmonious Depth

Use lighter and darker shades for a sophisticated, cohesive design. Great for backgrounds, text, and subtle accents.

#8da3f9#21337b

Ultramarine blue History

For centuries, the pigment was derived from lapis lazuli, a semi-precious stone mined in the mountains of Afghanistan. It was so costly that Renaissance painters reserved it exclusively for the most sacred subjects, such as the robes of the Virgin Mary. The name itself derives from 'ultra marinus,' meaning 'beyond the sea,' referring to its imported origins.

In 1824, a prize was offered by the Société d'Encouragement in France to anyone who could create a synthetic alternative. By 1828, Jean-Baptiste Guimet successfully produced a luxurious artificial version known as 'French Ultramarine.' This chemical breakthrough transformed the color from a royal rarity into a staple of the modern artist’s palette, eventually influencing movements like Fauvism.

Meaning & Psychology

Psychologically, ultramarine commands a sense of authority and profound wisdom. Unlike standard navy, its violet undertone suggests transcendence and a connection to the spiritual or subconscious mind. It is a color that inspires confidence while maintaining an air of mysterious depth.

Because of its historical link to divinity, it often evokes a feeling of nobility and peace. In a modern context, it is perceived as innovative and high-tech, bridging the gap between historical weight and digital-age speed. It provides a grounding presence that is simultaneously energetic and calming.

In Nature

True ultramarine is a rarity in the living world, manifesting most purely in the crystalline structure of the mineral lazurite. You may catch glimpses of this deep saturation in the wings of a morpho butterfly or the petals of a cornflower under specific lighting conditions. Because the pigment is so concentrated, it often serves as a biological signal of toxicity or extreme health in the animal kingdom, contrasting sharply with the more common, diluted blues of the sky.

How To Use Ultramarine blue

In modern UI design, this shade provides excellent visibility and creates a sense of high-end technology. It should be used as an accent to avoid visual fatigue, pairing exceptionally well with crisp whites or warm metallics. As a high-contrast color, it ensures that call-to-action buttons remain prominent and clickable.

From a Senior Designer's perspective, this color acts as a foundational element for brands that want to communicate both heritage and future-facing innovation. Ensure proper white-space is used around this hex to maintain clarity. When used in typography, it offers better legibility than lighter blues, making it a versatile choice for professional layouts.

Related Words

lapis lazulisacredluxuriousroyalauthoritytranscendenceconfidencenobilityinnovativeraritylazuritemorphocornflowerbiologicalvisibilityaccentfoundationalclarityversatile

Curated Palettes

#4166F5
#D4AF37
#F5F5DC
#2F2F2F
#A52A2A

Renaissance Gilt

A classic pairing of divine blue and sacred gold, reminiscent of 15th-century altarpieces.

#4166F5
#00F5FF
#7000FF
#1A1A1A
#FFFFFF

Electric Horizon

A high-energy, digital-first palette designed for modern tech branding.

#4166F5
#E97451
#F4A460
#2C3E50
#ECF0F1

Mediterranean Dusk

Sophisticated and earthy tones that balance the intensity of ultramarine.

Color Conversions

Hex
#4166F5
RGB
65, 102, 245
RGB %
25%, 40%, 96%
HSL
228°, 90%, 61%
HSV
228°, 73%, 96%
CMYK
73%, 58%, 0%, 4%
LAB
48.53, 35.26, -75.36
XYZ
23.41, 17.22, 88.48

Color Blindness Simulation

Normal
Protanopia
Deuteranopia
Tritanopia

CSS Snippets

Text Color (Hex)
Aa
color: #4166F5;
Text Color (RGB)
Aa
color: rgb(65, 102, 245);
Background Color
background-color: #4166F5;
Border
border: 3px solid #4166F5;
Box Shadow
box-shadow: 0 4px 12px #4166F566;
Gradient
background: linear-gradient(135deg, #4166F5 0%, #ffffff 100%);
Cushion Mockup
Available to Order Now

Shop Premium Products in Ultramarine blue

This isn't just a mockup. We'll custom make high-quality home decor in this exact shade, just for you.

MaterialEco Velvet
Size30cm x 30cm
Color
Ultramarine blue

Ships in 3-5 daysSecure Checkout

Product Details

Add a touch of luxury to your home with our premium Eco Velvet cushions. Soft to the touch, these cushions are perfect for adding comfort and style to any room.

  • Material: Soft Eco Velvet.
  • Feel: Velvety soft finish.
  • Print: Double-sided, all-over vibrant color using water-based inks.
  • Care: Machine washable at 30°C.
  • Construction: Handmade to order with a concealed zipper.
Eco Credentials

We believe in sustainable style. Our cushions are crafted with the planet in mind.

  • Made to Order: Produced only when you order, eliminating overproduction and waste.
  • Water-Based Inks: Printed using neo-pigment, water-based inks that are non-hazardous, toxin-free, and vegan-friendly.
  • Local Fulfilment: Produced locally where possible to reduce carbon emissions from transport.
  • Vegan Friendly: No animal products are used in the production of these cushions.

What Goes With Ultramarine blue?

Explore color palettes containing Ultramarine blue and discover harmonious combinations for your designs.

Accessibility

Contrast with Black and White

Contrast with Black

UI Examples

"Color is a power which directly influences the soul."

Contrast Ratio

0.00/ 21
Fail
AA Normal Text
Fail
AA Large Text
Fail
AAA Normal Text
Fail
AAA Large Text
Fail
Contrast with White

UI Examples

"Color is a power which directly influences the soul."

Contrast Ratio

0.00/ 21
Fail
AA Normal Text
Fail
AA Large Text
Fail
AAA Normal Text
Fail
AAA Large Text
Fail

Closest Color Matches

Best Match

Polychromos

ultramarine

#120#506DB4

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Prismacolor

Blue Violet Lake

#PC1079#4575BF

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Caran d'ache Luminance 6901

Ultramarine

#140#1E5CDA

Buy

Caran d'ache Luminance 6901

Cobalt Blue 10%

#662#4992E0

Buy

Prismacolor

China Blue

#PC1100#315AC7

Buy
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Frequently Asked Questions

What is the hex code for Ultramarine blue?
The hex code for Ultramarine blue is #4166F5. The RGB values are (65, 102, 245). You can find more formats like CMYK and LAB in the Color Conversions section.
What colors go with Ultramarine blue?
Ultramarine blue pairs well with its complementary color, Bright Sun (#f5d142). It also works great with analogous colors (neighbors on the wheel) and triadic combinations. See our recommended pairings for more ideas.
Is Ultramarine blue accessible for text?
No, Ultramarine blue is not readable on white backgrounds. It is not readable on black backgrounds. For detailed contrast ratios and WCAG scores, check the accessibility section.
How do I use Ultramarine blue in CSS?

You can use Ultramarine blue in CSS with its hex code. Here is an example class:

.ultramarine-blue {
  background-color: #4166F5;
  color: #FFFFFF;
}

For more snippets including gradients, see the CSS snippets section.