Color

#2c0a71

#2c0a71
hex#2c0a71
rgbrgb(44, 10, 113)
hslhsl(260, 84%, 24%)
oklchoklch(0.288 0.154 286.6)
Closest name: Galactic Federation (#330077)Relative luminance 0.0194

Colors that go with #2c0a71

Charcoal, Royal Blue and Cobalt 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 →

#4e710a

#0a1b71 · #5f0a71

#712c0a · #0a712c

Split-complementary

Open in tool →

#715f0a · #1b710a

#710a1b · #4e710a · #0a715f

Contrast

#2c0a71 as textRatioAAAA largeAAAFix
Aaon white
15.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #8956f0 as the text (4.65:1)
  • AAA: use #a780f4 as the text (7.04:1)
  • AA: or shift the background to #8f8f8f (4.68:1)
  • AAA: or shift the background to #b3b3b3 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c0a71 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

#2c0a71 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c0a71
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 #2c0a71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c0a71-ae9cc4-dfc94e-2a1f2d-e9ebf1?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