Color

#d6243f

#d6243f
hex#d6243f
rgbrgb(214, 36, 63)
hslhsl(351, 71%, 49%)
oklchoklch(0.568 0.209 20.2)
Closest name: crimson (#dc143c)Relative luminance 0.1592

Colors that go with #d6243f

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 →

#24d6bb

#d62498 · #d66224

#3fd624 · #243fd6

Split-complementary

Open in tool →

#24d662 · #2498d6

#98d624 · #24d6bb · #6224d6

Contrast

#d6243f as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #aa1d32 as the text (7.16:1)
Aaon black
4.18:1failpassfail
  • AA: use #dc2e48 as the text (4.53:1)
  • AAA: use #e77385 as the text (7.19:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d6243f as the background.

Brands using this color

Fonts for this mood

#d6243f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d6243f
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 #d6243f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d6243f-c49c9e-62cb89-2d231f-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