Color

#c51650

#c51650
hex#c51650
rgbrgb(197, 22, 80)
hslhsl(340, 80%, 43%)
oklchoklch(0.533 0.203 10.5)
Closest name: Akari Red (#c90b42)Relative luminance 0.1302

Colors that go with #c51650

Denim, 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 →

#16c58b

#c516a8 · #c53316

#50c516 · #1650c5

Split-complementary

Open in tool →

#16c533 · #16a8c5

#a8c516 · #16c58b · #3316c5

Contrast

#c51650 as textRatioAAAA largeAAAFix
Aaon white
5.83:1passpassfail
  • AAA: use #ae1347 as the text (7.04:1)
Aaon black
3.6:1failpassfail
  • AA: use #e6195d as the text (4.66:1)
  • AAA: use #ee6894 as the text (7.04:1)
  • AA: or shift the background to #e3e3e3 (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 #c51650 as the background.

Brands using this color

Fonts for this mood

#c51650 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c51650
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 #c51650 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c51650-c49ca5-62cb75-2d211f-f1e9f0?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