Color

#c51144

#c51144
hex#c51144
rgbrgb(197, 17, 68)
hslhsl(343, 84%, 42%)
oklchoklch(0.529 0.204 14.8)
Closest name: Akari Red (#c90b42)Relative luminance 0.1269

Colors that go with #c51144

Royal Blue, Teal and Amber 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 →

#11c592

#c5119e · #c53811

#44c511 · #1144c5

Split-complementary

Open in tool →

#11c538 · #119ec5

#9ec511 · #11c592 · #3811c5

Contrast

#c51144 as textRatioAAAA largeAAAFix
Aaon white
5.94:1passpassfail
  • AAA: use #ae0f3c as the text (7.16:1)
Aaon black
3.54:1failpassfail
  • AA: use #e6144f as the text (4.58:1)
  • AAA: use #f26990 as the text (7.2:1)
  • AA: or shift the background to #e3e3e3 (4.63:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c51144 as the background.

Brands using this color

Fonts for this mood

#c51144 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c51144
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 #c51144 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c51144-c49ca3-62cb7b-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