Color

#631749

#631749
hex#631749
rgbrgb(99, 23, 73)
hslhsl(321, 62%, 24%)
oklchoklch(0.351 0.121 344.8)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0375

Colors that go with #631749

Crimson, Sea Green and 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 →

#176332

#581763 · #631723

#496317 · #174963

Split-complementary

Open in tool →

#236317 · #176358

#635817 · #176332 · #172363

Contrast

#631749 as textRatioAAAA largeAAAFix
Aaon white
12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.75:1failfailfail
  • AA: use #cf3097 as the text (4.52:1)
  • AAA: use #de73b8 as the text (7.25:1)
  • AA: or shift the background to #a1a1a1 (4.65:1)
  • AAA: or shift the background to #c7c7c7 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #631749 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

#631749 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #631749
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 #631749 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/631749-c19fb1-70cb62-2d1f22-f0e9f1?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