Color

#d31d47

#d31d47
hex#d31d47
rgbrgb(211, 29, 71)
hslhsl(346, 76%, 47%)
oklchoklch(0.56 0.21 16.4)
Closest name: crimson (#dc143c)Relative luminance 0.1518

Colors that go with #d31d47

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 →

#1dd3a8

#d31da2 · #d34d1d

#47d31d · #1d47d3

Split-complementary

Open in tool →

#1dd34d · #1da2d3

#a2d31d · #1dd3a8 · #4d1dd3

Contrast

#d31d47 as textRatioAAAA largeAAAFix
Aaon white
5.2:1passpassfail
  • AAA: use #ab173a as the text (7.2:1)
Aaon black
4.04:1failpassfail
  • AA: use #e1234f as the text (4.55:1)
  • AAA: use #eb6f8c as the text (7.18:1)
  • 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 #d31d47 as the background.

Brands using this color

Fonts for this mood

#d31d47 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d31d47
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 #d31d47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d31d47-c49ca1-62cb80-2d221f-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