Ultramarine

#25008A

What Color is Ultramarine

Ultramarine (Hex #25008A) is a intense, high-saturation, deep shade of blue. As a cool color, it pairs exceptionally well with contrasting greens.

What color is opposite Ultramarine?

The opposite color to Ultramarine is Olive Drab (#658a00).

View Olive Drab

Additional Information

  • Color Family: Blue
  • Temperature: Cool
  • Associated Season: Winter
  • Complementary Color: #DAFF75
  • Brightness: 27/255
  • Saturation: 100%

Color Conversions

Hex
#25008A
RGB
37, 0, 138
RGB %
15%, 0%, 54%
HSL
256°, 100%, 27%
HSV
256°, 100%, 54%
CMYK
73%, 100%, 0%, 46%
LAB
17, 51, -65
XYZ
5.35, 2.23, 24.19

CSS Snippets

CSS Hex
color: #25008A;
CSS RGB
color: rgb(37, 0, 138);
Background
background-color: #25008A;
Border
border: 1px solid #25008A;
Box Shadow
box-shadow: 0 4px 6px #25008A40;
Linear Gradient
background: linear-gradient(135deg, #25008A 0%, #ffffff 100%);

Colors That Pair Well With Ultramarine

Complementary

Pair with Olive Drab for a harmonious, balanced look. Great for backgrounds and accents.

#25008A#658a00

High Contrast

Use Honeysuckle for maximum readability. Ideal for text or critical UI elements.

#25008A#daff75

Harmonious Depth

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

#7c66b9#130045
Cushion Mockup

Shop Premium Products in Ultramarine

Visualize and buy custom cushions made in this exact shade.

MaterialEco Velvet
Size30cm x 30cm
Color
Ultramarine

Made to order. Ships in 3-5 business days.

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.
  • Backing: Stone coloured back (or double-sided print).
  • Print: Edge-to-edge 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?

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

Accessibility

Contrast with Black and White

Contrast with Black

UI Examples

This is an example of body text using the selected color scheme.

Contrast Ratio: 0.00

WCAG Score: 0

AA Large Text
AA Normal Text
AAA Large Text
AAA Normal Text
Contrast with White

UI Examples

This is an example of body text using the selected color scheme.

Contrast Ratio: 0.00

WCAG Score: 0

AA Large Text
AA Normal Text
AAA Large Text
AAA Normal Text

Color Blindness Simulation

Normal
Protanopia
Deuteranopia
Tritanopia

Frequently Asked Questions

What is the hex code for Ultramarine?
#25008A — see all color formats above.
What colors go with Ultramarine?
See our recommended pairings with design context, or explore the color harmonies for more options.
Is Ultramarine accessible for text?
Check the accessibility section for WCAG contrast ratios against black and white backgrounds.
How do I use Ultramarine in CSS?
Copy ready-to-use code from the CSS snippets section, or click any format in Color Conversions to copy.