Color

#451c20

#451c20
hex#451c20
rgbrgb(69, 28, 32)
hslhsl(354, 42%, 19%)
oklchoklch(0.288 0.063 15.9)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.022

Colors that go with #451c20

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 →

#1c4541

#451c35 · #452c1c

#20451c · #1c2045

Split-complementary

Open in tool →

#1c452c · #1c3545

#35451c · #1c4541 · #2c1c45

Contrast

#451c20 as textRatioAAAA largeAAAFix
Aaon white
14.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #b9555f as the text (4.53:1)
  • AAA: use #cd848b as the text (7.27:1)
  • AA: or shift the background to #8f8f8f (4.51:1)
  • AAA: or shift the background to #b5b5b5 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #451c20 as the background.

Brands using this color

Fonts for this mood

#451c20 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451c20
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 #451c20 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451c20-c49d9c-62cb8e-2d241f-f1e9ee?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