Color

#330a4d

#330a4d
hex#330a4d
rgbrgb(51, 10, 77)
hslhsl(277, 77%, 17%)
oklchoklch(0.259 0.115 307.8)
Closest name: Hollow Knight (#330055)Relative luminance 0.0146

Colors that go with #330a4d

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 →

#244d0a

#120a4d · #4d0a45

#4d330a · #0a4d33

Split-complementary

Open in tool →

#454d0a · #0a4d12

#4d120a · #244d0a · #0a454d

Contrast

#330a4d as textRatioAAAA largeAAAFix
Aaon white
16.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.29:1failfailfail
  • AA: use #a741e6 as the text (4.54:1)
  • AAA: use #c078ed as the text (7.15:1)
  • AA: or shift the background to #878787 (4.53:1)
  • AAA: or shift the background to #ababab (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #330a4d 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

#330a4d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #330a4d
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 #330a4d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/330a4d-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