Color

#330d40

#330d40
hex#330d40
rgbrgb(51, 13, 64)
hslhsl(285, 66%, 15%)
oklchoklch(0.251 0.096 316.1)
Closest name: Dark Purple (#35063e)Relative luminance 0.0136

Colors that go with #330d40

Charcoal, Sea Green and Sienna 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 →

#1a3f0d

#1a0d3f · #3f0d33

#3f330d · #0d3f33

Split-complementary

Open in tool →

#333f0d · #0d3f1a

#3f1a0d · #1a3f0d · #0d333f

Contrast

#330d40 as textRatioAAAA largeAAAFix
Aaon white
16.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #b241d8 as the text (4.64:1)
  • AAA: use #c878e3 as the text (7.25:1)
  • AA: or shift the background to #878787 (4.59:1)
  • 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 #330d40 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

#330d40 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #330d40
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 #330d40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/330d40-bc9fc1-afcb62-2d1f2b-ebe9f1?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