Color

#421027

#421027
hex#421027
rgbrgb(66, 16, 39)
hslhsl(332, 61%, 16%)
oklchoklch(0.267 0.081 355.7)
Closest name: What We Do in the Shadows (#441122)Relative luminance 0.0168

Colors that go with #421027

Charcoal, Rust 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 →

#10422a

#421040 · #421210

#274210 · #102742

Split-complementary

Open in tool →

#104212 · #104042

#404210 · #10422a · #121042

Contrast

#421027 as textRatioAAAA largeAAAFix
Aaon white
15.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #cf3a80 as the text (4.57:1)
  • AAA: use #dd73a5 as the text (7.07:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421027 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

#421027 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421027
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 #421027 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421027-c49caa-62cb67-2d1f20-f1e9f1?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