Color

#c51141

#c51141
hex#c51141
rgbrgb(197, 17, 65)
hslhsl(344, 84%, 42%)
oklchoklch(0.528 0.204 15.9)
Closest name: Akari Red (#c90b42)Relative luminance 0.1265

Colors that go with #c51141

Royal Blue, Steel Blue and Teal 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 →

#11c595

#c5119b · #c53b11

#41c511 · #1141c5

Split-complementary

Open in tool →

#11c53b · #119bc5

#9bc511 · #11c595 · #3b11c5

Contrast

#c51141 as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #ae0f39 as the text (7.17:1)
Aaon black
3.53:1failpassfail
  • AA: use #e6144c as the text (4.57:1)
  • AAA: use #f2698d as the text (7.18:1)
  • AA: or shift the background to #e0e0e0 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c51141 as the background.

Brands using this color

Fonts for this mood

#c51141 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c51141
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 #c51141 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c51141-c49ca2-62cb7c-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