Color

#451c1e

#451c1e
hex#451c1e
rgbrgb(69, 28, 30)
hslhsl(357, 42%, 19%)
oklchoklch(0.287 0.063 18.9)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.0219

Colors that go with #451c1e

Charcoal, Sea Green and Sienna 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 →

#1c4543

#451c32 · #452e1c

#1e451c · #1c1e45

Split-complementary

Open in tool →

#1c452e · #1c3245

#32451c · #1c4543 · #2e1c45

Contrast

#451c1e as textRatioAAAA largeAAAFix
Aaon white
14.6:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #b9555a as the text (4.51:1)
  • AAA: use #cd8488 as the text (7.25:1)
  • AA: or shift the background to #8f8f8f (4.52:1)
  • AAA: or shift the background to #b5b5b5 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #451c1e as the background.

Brands using this color

Fonts for this mood

#451c1e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451c1e
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 #451c1e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451c1e-c49f9c-62cb93-2d251f-f1e9ed?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