Color

#451c2c

#451c2c
hex#451c2c
rgbrgb(69, 28, 44)
hslhsl(337, 42%, 19%)
oklchoklch(0.292 0.066 357.4)
Closest name: Blackberry (#43182f)Relative luminance 0.0228

Colors that go with #451c2c

Charcoal, Dark Olive Green 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 →

#1c4535

#451c40 · #45211c

#2c451c · #1c2c45

Split-complementary

Open in tool →

#1c4521 · #1c4045

#40451c · #1c4535 · #211c45

Contrast

#451c2c as textRatioAAAA largeAAAFix
Aaon white
14.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.46:1failfailfail
  • AA: use #b9557b as the text (4.65:1)
  • AAA: use #cb809d as the text (7.11:1)
  • AA: or shift the background to #919191 (4.58:1)
  • AAA: or shift the background to #b5b5b5 (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 #451c2c as the background.

Brands using this color

Fonts for this mood

#451c2c reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451c2c
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 #451c2c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451c2c-c49ca7-62cb70-2d201f-f1e9f0?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