Color

#d80343

#d80343
hex#d80343
rgbrgb(216, 3, 67)
hslhsl(342, 97%, 43%)
oklchoklch(0.561 0.223 16.8)
Closest name: crimson (#dc143c)Relative luminance 0.1507

Colors that go with #d80343

Charcoal, Royal Blue and Steel Blue 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 →

#03d898

#d803ad · #d82e03

#43d803 · #0343d8

Split-complementary

Open in tool →

#03d82e · #03add8

#add803 · #03d898 · #2e03d8

Contrast

#d80343 as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #b00337 as the text (7.21:1)
Aaon black
4.01:1failpassfail
  • AA: use #e70448 as the text (4.51:1)
  • AAA: use #fd5e8e as the text (7.17:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d80343 as the background.

Brands using this color

Fonts for this mood

#d80343 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d80343
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 #d80343 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d80343-c49ca3-62cb79-2d211f-f1e9ef?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