Nautilus

#273c5a

Balanced mid indigo violet for calmer navigation headers

Save
Share

About Nautilus

Nautilus reads like a deep ink-blue violet that stays composed under UI lighting. It's not the weighty, slightly earthy darkness of , and it doesn't drift as cool and controlled as & . Compared to , it's less "lit" at the edges and more grounded, with a softer sense of depth.

Use it when you need a purple that feels anchored, not steel-blue, and still holds its identity on headers. I reach for dashboards and finance apps where the brand wants purple but the layout needs calm hierarchy, especially in fintech reporting, health tech admin panels, and analytics pages with dense tables. For buttons, selected states, and high-visibility chart series, Nautilus lands as cooler than warm violets without turning into muted navy.

Pair it with crisp whites and restrained blues or soft grays. If you go too warm on the neutrals, it can start to look dull, like the purple has been pushed back behind the typography.

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
11.17:1AAA

On Gray 100 #f5f5f5

Aa
10.24:1AAA

On Gray 900 #18181b

Aa
1.59:1Fail

On Black #000000

Aa
1.88:1Fail

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.

Similar colors

Create a gradient with Nautilus

Open the generator with this color pre-loaded.

Start creating