Color

#450403

#450403
hex#450403
rgbrgb(69, 4, 3)
hslhsl(1, 92%, 14%)
oklchoklch(0.25 0.096 28.6)
Closest name: Lonely Chocolate (#4a0a00)Relative luminance 0.0136

Colors that go with #450403

Charcoal, Royal Blue 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 →

#034345

#450323 · #452503

#034504 · #040345

Split-complementary

Open in tool →

#034525 · #032345

#234503 · #034345 · #250345

Contrast

#450403 as textRatioAAAA largeAAAFix
Aaon white
16.51:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #eb0e0a as the text (4.6:1)
  • AAA: use #f86562 as the text (7.03:1)
  • AA: or shift the background to #878787 (4.6:1)
  • AAA: or shift the background to #ababab (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 #450403 as the background.

Brands using this color

Fonts for this mood

#450403 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #450403
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 #450403 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/450403-c4a19c-62cb9a-2d261f-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