Color

#da2540

#da2540
hex#da2540
rgbrgb(218, 37, 64)
hslhsl(351, 71%, 50%)
oklchoklch(0.576 0.212 20.3)
Closest name: crimson (#dc143c)Relative luminance 0.166

Colors that go with #da2540

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 →

#25dabf

#da259b · #da6425

#40da25 · #2540da

Split-complementary

Open in tool →

#25da64 · #259bda

#9bda25 · #25dabf · #6425da

Contrast

#da2540 as textRatioAAAA largeAAAFix
Aaon white
4.86:1passpassfail
  • AAA: use #aa1d32 as the text (7.16:1)
Aaon black
4.32:1failpassfail
  • AA: use #dc2e48 as the text (4.53:1)
  • AAA: use #e77385 as the text (7.19:1)
  • AA: or shift the background to #f7f7f7 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #da2540 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#da2540 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #da2540
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 #da2540 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/da2540-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