Color

#330c3b

#330c3b
hex#330c3b
rgbrgb(51, 12, 59)
hslhsl(290, 66%, 14%)
oklchoklch(0.246 0.092 320.3)
Closest name: Dark Purple (#35063e)Relative luminance 0.0128

Colors that go with #330c3b

Charcoal, Sienna and Slate 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 →

#143b0c

#1c0c3b · #3b0c2c

#3b330c · #0c3b33

Split-complementary

Open in tool →

#2c3b0c · #0c3b1c

#3b1c0c · #143b0c · #0c2c3b

Contrast

#330c3b as textRatioAAAA largeAAAFix
Aaon white
16.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #ba34d5 as the text (4.54:1)
  • AAA: use #d073e2 as the text (7.23:1)
  • AA: or shift the background to #858585 (4.53:1)
  • AAA: or shift the background to #a8a8a8 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #330c3b 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

#330c3b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #330c3b
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 #330c3b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/330c3b-bf9fc1-a6cb62-2d1f29-ece9f1?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