Color

#390939

#390939
hex#390939
rgbrgb(57, 9, 57)
hslhsl(300, 73%, 13%)
oklchoklch(0.252 0.098 328)
Closest name: Dark Purple (#35063e)Relative luminance 0.0136

Colors that go with #390939

Charcoal, Sea Green and Teal 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 →

#093909

#210939 · #390921

#393909 · #093939

Split-complementary

Open in tool →

#213909 · #093921

#392109 · #093909 · #092139

Contrast

#390939 as textRatioAAAA largeAAAFix
Aaon white
16.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #cb20cb as the text (4.61:1)
  • AAA: use #e65ce6 as the text (7.04:1)
  • AA: or shift the background to #878787 (4.6:1)
  • AAA: or shift the background to #ababab (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #390939 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

#390939 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #390939
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 #390939 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/390939-c19fbd-95cb62-2d1f27-ede9f1?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