Color

#421013

#421013
hex#421013
rgbrgb(66, 16, 19)
hslhsl(356, 61%, 16%)
oklchoklch(0.26 0.077 21)
Closest name: English Breakfast (#441111)Relative luminance 0.0158

Colors that go with #421013

Charcoal, Royal Blue and Sienna 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.

Real palettes that use #421013

Tints & shades

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

Harmonies

Complementary

Open in tool →

#10423e

#42102c · #422510

#134210 · #101342

Split-complementary

Open in tool →

#104225 · #102c42

#2c4210 · #10423e · #251042

Contrast

#421013 as textRatioAAAA largeAAAFix
Aaon white
15.97:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #d1424c as the text (4.59:1)
  • AAA: use #de787e as the text (7.09:1)
  • AA: or shift the background to #8a8a8a (4.63:1)
  • AAA: or shift the background to #adadad (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421013 as the background.

Brands using this color

Fonts for this mood

#421013 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421013
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 #421013 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421013-c49e9c-62cb91-2d241f-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