Color

#451303

#451303
hex#451303
rgbrgb(69, 19, 3)
hslhsl(15, 92%, 14%)
oklchoklch(0.268 0.081 38.2)
Closest name: Black Chocolate (#441100)Relative luminance 0.0174

Tints & shades

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

Harmonies

Complementary

Open in tool →

#033445

#450313 · #453403

#034513 · #130345

Split-complementary

Open in tool →

#034534 · #031345

#134503 · #033445 · #340345

Contrast

#451303 as textRatioAAAA largeAAAFix
Aaon white
15.58:1passpasspassPasses AAA — no fix needed.
Aaon black
1.35:1failfailfail
  • AA: use #d73d09 as the text (4.56:1)
  • AAA: use #f76a3b as the text (7.08:1)
  • AA: or shift the background to #8a8a8a (4.51:1)
  • AAA: or shift the background to #b0b0b0 (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #451303 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

#451303 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #451303
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 #451303 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/451303-c4ab9c-62cbb2-2d291f-f1e9eb?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