Color

#451c23

#451c23
hex#451c23
rgbrgb(69, 28, 35)
hslhsl(350, 42%, 19%)
oklchoklch(0.289 0.063 11.2)
Closest name: Black-Hearted (#3e1825)Relative luminance 0.0222

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1c453e

#451c37 · #452a1c

#23451c · #1c2345

Split-complementary

Open in tool →

#1c452a · #1c3745

#37451c · #1c453e · #2a1c45

Contrast

#451c23 as textRatioAAAA largeAAAFix
Aaon white
14.55:1passpasspassPasses AAA — no fix needed.
Aaon black
1.44:1failfailfail
  • AA: use #b95566 as the text (4.55:1)
  • AAA: use #cb808d as the text (7.01:1)
  • AA: or shift the background to #919191 (4.62:1)
  • AAA: or shift the background to #b5b5b5 (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 #451c23 as the background.

Brands using this color

Fonts for this mood

#451c23 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451c23
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #451c23 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451c23-c49c9e-62cb87-2d231f-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