Color

#51154d

#51154d
hex#51154d
rgbrgb(81, 21, 77)
hslhsl(304, 59%, 20%)
oklchoklch(0.319 0.115 330.7)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0282

Colors that go with #51154d

Sea Green, Blue and Crimson 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 →

#155119

#371551 · #51152f

#4d5115 · #154d51

Split-complementary

Open in tool →

#2f5115 · #155137

#513715 · #155119 · #152f51

Contrast

#51154d as textRatioAAAA largeAAAFix
Aaon white
13.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #c733bd as the text (4.64:1)
  • AAA: use #d96dd2 as the text (7.07:1)
  • AA: or shift the background to #969696 (4.54:1)
  • AAA: or shift the background to #bdbdbd (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51154d 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

#51154d reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51154d
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 #51154d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51154d-c19fba-8ecb62-2d1f26-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