Color

#651b58

#651b58
hex#651b58
rgbrgb(101, 27, 88)
hslhsl(311, 58%, 25%)
oklchoklch(0.366 0.129 335.8)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0426

Colors that go with #651b58

Sea Green, Cream 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 →

#1b6528

#4d1b65 · #651b32

#57651b · #1b5765

Split-complementary

Open in tool →

#32651b · #1b654d

#654d1b · #1b6528 · #1b3265

Contrast

#651b58 as textRatioAAAA largeAAAFix
Aaon white
11.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.85:1failfailfail
  • AA: use #c936ae as the text (4.62:1)
  • AAA: use #da72c7 as the text (7.21:1)
  • AA: or shift the background to #a6a6a6 (4.66:1)
  • AAA: or shift the background to #cccccc (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #651b58 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

#651b58 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #651b58
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 #651b58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/651b58-c19fb7-82cb62-2d1f25-efe9f1?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