Color

#d12343

#d12343
hex#d12343
rgbrgb(209, 35, 67)
hslhsl(349, 71%, 48%)
oklchoklch(0.559 0.205 18.3)
Closest name: crimson (#dc143c)Relative luminance 0.1516

Colors that go with #d12343

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 →

#23d1b1

#d1239a · #d15b23

#43d123 · #2343d1

Split-complementary

Open in tool →

#23d15b · #239ad1

#9ad123 · #23d1b1 · #5b23d1

Contrast

#d12343 as textRatioAAAA largeAAAFix
Aaon white
5.21:1passpassfail
  • AAA: use #aa1d37 as the text (7.14:1)
Aaon black
4.03:1failpassfail
  • AA: use #dc2e4e as the text (4.54:1)
  • AAA: use #e76f85 as the text (7.01:1)
  • AA: or shift the background to #f0f0f0 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d12343 as the background.

Brands using this color

Fonts for this mood

#d12343 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d12343
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 #d12343 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d12343-c49c9f-62cb85-2d231f-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