Color

#42250b

#42250b
hex#42250b
rgbrgb(66, 37, 11)
hslhsl(28, 71%, 15%)
oklchoklch(0.297 0.058 59.1)
Closest name: Chocolate Castle (#452207)Relative luminance 0.0251

Colors that go with #42250b

Charcoal, Royal Blue and Rust 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 →

#0b2841

#410b0d · #41400b

#0b4124 · #240b41

Split-complementary

Open in tool →

#0b4140 · #0b0d41

#0d410b · #0b2841 · #400b41

Contrast

#42250b as textRatioAAAA largeAAAFix
Aaon white
13.99:1passpasspassPasses AAA — no fix needed.
Aaon black
1.5:1failfailfail
  • AA: use #ae611e as the text (4.53:1)
  • AAA: use #dc7f2e as the text (7.12:1)
  • AA: or shift the background to #949494 (4.61:1)
  • AAA: or shift the background to #b8b8b8 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42250b 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

#42250b reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42250b
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 #42250b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42250b-c4b39c-62cbc9-2d2c1f-f1e9ea?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