Color

#420905

#420905
hex#420905
rgbrgb(66, 9, 5)
hslhsl(4, 86%, 14%)
oklchoklch(0.249 0.087 29.6)
Closest name: English Breakfast (#441111)Relative luminance 0.0136

Colors that go with #420905

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 →

#053e42

#420520 · #422805

#054209 · #090542

Split-complementary

Open in tool →

#054228 · #052042

#204205 · #053e42 · #280542

Contrast

#420905 as textRatioAAAA largeAAAFix
Aaon white
16.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.27:1failfailfail
  • AA: use #e41f11 as the text (4.5:1)
  • AAA: use #f36c62 as the text (7.13:1)
  • AA: or shift the background to #878787 (4.59:1)
  • AAA: or shift the background to #ababab (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #420905 as the background.

Brands using this color

Fonts for this mood

#420905 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #420905
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 #420905 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/420905-c4a39c-62cb9f-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