Open App
Explore
73
#594EB0
YOUR COLOR STORY

Ultramarine

Arrtx OROS Blue cool

Arrtx OROS 73 Ultramarine is a mid indigo alcohol marker in the Blue family. It sits in the mid-light value range, making it well-suited for twilight sky, ink, deep ocean. Cool undertones make it well-suited to shadows, skies, and atmospheric depth.

Blue family Cool temperature 50% lightness
Twilight skyInkDeep oceanCool atmospheric depthEvening light
Match This Color
Explore nearby colors, then build the combination that feels right.

Marker Facts

Marker Name
Ultramarine
Color Family
Blue
Temperature
Cool
Lightness (HSL)
50%
Saturation (HSL)
39%
Palettes Using This Marker
0

Suggested Blend Ladder

Computed lighter and darker shades from the displayed swatches. Test them on your paper before blending.

Works Well With

Complementary Accent

Opposite on the color wheel. Useful for contrast, focal points, and making warm colors stand out.

Match 73 across brands

Compare Ultramarine with nearby colors from other brands and media in the Art Supply Matcher.

Keep your supplies, palettes, and coloring together.