Color

#380359

#380359
hex#380359
rgbrgb(56, 3, 89)
hslhsl(277, 93%, 18%)
oklchoklch(0.272 0.135 306.3)
Closest name: Cotinga Purple (#340059)Relative luminance 0.0163

Colors that go with #380359

Charcoal, Royal Blue and Cadet Blue 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 →

#245903

#0d0359 · #59034f

#593803 · #035938

Split-complementary

Open in tool →

#4f5903 · #03590d

#590d03 · #245903 · #034f59

Contrast

#380359 as textRatioAAAA largeAAAFix
Aaon white
15.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #ab30f8 as the text (4.51:1)
  • AAA: use #c570fa as the text (7.07:1)
  • AA: or shift the background to #8a8a8a (4.59:1)
  • AAA: or shift the background to #adadad (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #380359 as the background.

Brands using this color

Fonts for this mood

#380359 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #380359
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 #380359 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/380359-b99cc4-bdcb62-2d1f2c-eae9f1?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