Color

#51104f

#51104f
hex#51104f
rgbrgb(81, 16, 79)
hslhsl(302, 67%, 19%)
oklchoklch(0.316 0.123 329.4)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0268

Colors that go with #51104f

Sea Green, Crimson and Denim 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 →

#105112

#331051 · #51102e

#4f5110 · #104f51

Split-complementary

Open in tool →

#2e5110 · #105133

#513310 · #105112 · #102e51

Contrast

#51104f as textRatioAAAA largeAAAFix
Aaon white
13.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #c828c3 as the text (4.55:1)
  • AAA: use #e166dd as the text (7.15:1)
  • AA: or shift the background to #949494 (4.5:1)
  • AAA: or shift the background to #bababa (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51104f 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

#51104f reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51104f
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 #51104f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51104f-c19fbc-91cb62-2d1f27-eee9f1?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