Color

#451231

#451231
hex#451231
rgbrgb(69, 18, 49)
hslhsl(324, 59%, 17%)
oklchoklch(0.279 0.087 346.7)
Closest name: Blackberry (#43182f)Relative luminance 0.0192

Colors that go with #451231

Charcoal, Firebrick and Sea Green 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 →

#124526

#401245 · #451217

#304512 · #123045

Split-complementary

Open in tool →

#174512 · #124540

#454012 · #124526 · #121745

Contrast

#451231 as textRatioAAAA largeAAAFix
Aaon white
15.17:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #cc3891 as the text (4.54:1)
  • AAA: use #db75b3 as the text (7.21:1)
  • AA: or shift the background to #8c8c8c (4.51:1)
  • AAA: or shift the background to #b3b3b3 (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #451231 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

#451231 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451231
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 #451231 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451231-c19faf-6bcb62-2d1f22-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