Color

#330d4f

#330d4f
hex#330d4f
rgbrgb(51, 13, 79)
hslhsl(275, 72%, 18%)
oklchoklch(0.264 0.113 306.1)
Closest name: Hollow Knight (#330055)Relative luminance 0.0156

Colors that go with #330d4f

Charcoal, Royal Blue and Sea Green 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 →

#284f0d

#120d4f · #4f0d49

#4f330d · #0d4f33

Split-complementary

Open in tool →

#494f0d · #0d4f12

#4f120d · #284f0d · #0d494f

Contrast

#330d4f as textRatioAAAA largeAAAFix
Aaon white
16.02:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #a147e1 as the text (4.5:1)
  • AAA: use #bc7bea as the text (7.16:1)
  • AA: or shift the background to #8a8a8a (4.64:1)
  • AAA: or shift the background to #adadad (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #330d4f 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

#330d4f reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #330d4f
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 #330d4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/330d4f-b89cc4-c0cb62-2d1f2d-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