Color

#c71a31

#c71a31
hex#c71a31
rgbrgb(199, 26, 49)
hslhsl(352, 77%, 44%)
oklchoklch(0.533 0.202 22.3)
Closest name: Akari Red (#c90b42)Relative luminance 0.131

Colors that go with #c71a31

Charcoal, Royal Blue and Steel Blue 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 →

#1ac7b0

#c71a87 · #c7591a

#31c71a · #1a31c7

Split-complementary

Open in tool →

#1ac759 · #1a87c7

#87c71a · #1ac7b0 · #591ac7

Contrast

#c71a31 as textRatioAAAA largeAAAFix
Aaon white
5.8:1passpassfail
  • AAA: use #ac162a as the text (7.24:1)
Aaon black
3.62:1failpassfail
  • AA: use #e2223b as the text (4.53:1)
  • AAA: use #ec6f7f as the text (7.15:1)
  • AA: or shift the background to #e3e3e3 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c71a31 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c71a31 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c71a31
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 #c71a31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c71a31-c49c9d-62cb8a-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