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Want to find the perfect complementary or analogous colors to match Ultramarine blue?
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Everything you need to know about ultramarine blue to inspire your next design.
Ultramarine blue is a vibrant, deep hue known for its soothing, serene vibe. It sits between blue and violet on the color wheel, reminiscent of natural blue and lapis lazuli pigments. With shades like intense cobalt and non-toxic cerulean, it's perfect for enhancing brightness in sky-themed designs or palettes.

Shades
Tints
Tones
Hues
Complementary
Split
Monochromatic
Analogous
Triadic
Square
Electric Indigo
Radiant Harmony
Vibrant Ocean
Ultramarine blue is defined by the following color codes and values to ensure consistency across various digital platforms and devices.
Accessibility considerations play a crucial role in UX and UI design color choices. Figma offers plugins in the Community to make sure your designs meet Web Content Accessibility Guidelines
For variations within the same spectrum as ultramarine blue, consider:
To complement Ultramarine blue, consider pairing it with:
While Ultramarine blue is a versatile and striking color, it may clash with:
Contrast 4.73
#4166F5
How you design, align, and build matters. Do it together with Figma.
| Category | ||
|---|---|---|
Pass | Fail | |
Pass | Pass | |
Pass | Pass |
Contrast 4.44
#4166F5
How you design, align, and build matters. Do it together with Figma.
| Category | ||
|---|---|---|
Fail | Fail | |
Pass | Fail | |
Pass | Fail |
Protanopia
Deuteranopia
Tritanopia
Achromatopsia
The hexadecimal color #4166F5, known as Ultramarine blue, has RGB values of R:65, G:102, B:245 and CMYK values of C:73, M:58, Y:0, K:4.
| VALUE | CSS | |
|---|---|---|
| HEX | #4166F5 | #4166F5 |
| RGB DECIMAL | 65, 102, 245 | RGB(65,102,245) |
| RGB PERCENTAGE | 25.5, 40.0, 96.1 | RGB(25.5%,40.0%,96.1%) |
| CMYK | 73, 58, 0, 4 | |
| HSL | HSL(227.7, 90.0%, 60.8%) | HSL(227.7, 90.0%, 60.8%) |
| HSV (OR HSB) | 227.7°, 73.5, 96.1 | |
| WEB SAFE | #51102255 | #51102255 |
| BINARY | 01000001, 01100110, 11110101 | |
| iOS - SwiftUI | Color(red: 0.255, green: 0.400, blue: 0.961) | |
| iOS - UIKit | UIColor(red: 0.255, green: 0.400, blue: 0.961, alpha: 1) | |
| Android - Compose | Color(0xFF4166F5) |

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