Color

#390d72

#390d72
hex#390d72
rgbrgb(57, 13, 114)
hslhsl(266, 80%, 25%)
oklchoklch(0.307 0.153 294.9)
Closest name: Galactic Federation (#330077)Relative luminance 0.0237

Colors that go with #390d72

Charcoal, Crimson and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#47730d

#0d1473 · #6c0d73

#73390d · #0d7339

Split-complementary

Open in tool →

#736c0d · #14730d

#730d14 · #47730d · #0d736c

Contrast

#390d72 as textRatioAAAA largeAAAFix
Aaon white
14.24:1passpasspassPasses AAA — no fix needed.
Aaon black
1.47:1failfailfail
  • AA: use #9451ec as the text (4.65:1)
  • AAA: use #b07ef1 as the text (7.1:1)
  • AA: or shift the background to #919191 (4.52:1)
  • AAA: or shift the background to #b8b8b8 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #390d72 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#390d72 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #390d72
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #390d72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/390d72-b29cc4-dfd74e-2b1f2d-e9eaf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md