Color

#380f85

#380f85
hex#380f85
rgbrgb(56, 15, 133)
hslhsl(261, 80%, 29%)
oklchoklch(0.328 0.172 288.2)
Closest name: Galactic Federation (#330077)Relative luminance 0.0288

Colors that go with #380f85

Royal Blue, Cobalt Blue and Crimson 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 →

#5c850f

#0f2185 · #730f85

#85380f · #0f8538

Split-complementary

Open in tool →

#85730f · #21850f

#850f21 · #5c850f · #0f8573

Contrast

#380f85 as textRatioAAAA largeAAAFix
Aaon white
13.33:1passpasspassPasses AAA — no fix needed.
Aaon black
1.58:1failfailfail
  • AA: use #8a55ec as the text (4.59:1)
  • AAA: use #aa83f1 as the text (7.23:1)
  • AA: or shift the background to #969696 (4.51:1)
  • AAA: or shift the background to #bdbdbd (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #380f85 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

#380f85 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #380f85
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 #380f85 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/380f85-af9cc4-dfcb4e-2a1f2d-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