Interstellar Blue

#001155

Interstellar deep blue violet for calmer depth

Save
Share

About Interstellar Blue

I'm looking at Interstellar Blue on a monitor test: it feels like ink that refuses to go gray. It's deeper than the more storm-forward purples, but it doesn't collapse into near-black the way Alone in the does. Compared to , it holds onto a clearer purple identity with a cooler, more deliberate blue lean, so it reads as Interstellar rather than "almost shadow."

In practice, I use it when I want dashboards and finance apps to feel structured, not murky: row dividers, focused data series, selected tab backgrounds, and secondary chart accents in fintech, trading UIs, and operations panels. It's my the one you reach for when a control needs to stay crisp against cool grays without taking on the bruised intensity of . Pair it with slate neutrals and restrained blues.

Quirk: it won't behave well next to warm sand or cream tones. The blue undertone can turn slightly detached fast, and the purple starts to look dirty.

Gradient preview

See how this color looks in an animated mesh gradient.

Conversions

Click any value to copy.

Need this programmatically? Color API

Code snippets

Copy this color into your project.

Contrast checker

WCAG 2.1 contrast ratios. AA requires 4.5:1 for normal text, 3:1 for large. AAA requires 7:1 / 4.5:1.

On White #ffffff

Aa
17.34:1AAA

On Gray 100 #f5f5f5

Aa
15.90:1AAA

On Gray 900 #18181b

Aa
1.02:1Fail

On Black #000000

Aa
1.21:1Fail

Variations

Shades

Darker variations, created by mixing toward black.

Tints

Lighter variations, created by mixing toward white.

Tones

Muted variations, created by reducing saturation.

Hues

Hue rotations around the color wheel.

Temperatures

Warm and cool shifts of this color.

Color harmonies

Complementary
Analogous
Triadic
Split Complementary
Tetradic

Suggested palettes

Palettes built around this color.

4 colors
3 colors
4 colors
4 colors

Community palettes

Published palettes that include this color.

Create a gradient with Interstellar Blue

Open the generator with this color pre-loaded.

Start creating