Color

#c52b2e

#c52b2e
hex#c52b2e
rgbrgb(197, 43, 46)
hslhsl(359, 64%, 47%)
oklchoklch(0.54 0.19 25.5)
Closest name: Bento Box (#cc363c)Relative luminance 0.138

Colors that go with #c52b2e

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.

Real palettes that use #c52b2e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2bc5c2

#c52b7a · #c5752b

#2ec52b · #2b2ec5

Split-complementary

Open in tool →

#2bc575 · #2b7ac5

#7ac52b · #2bc5c2 · #752bc5

Contrast

#c52b2e as textRatioAAAA largeAAAFix
Aaon white
5.59:1passpassfail
  • AAA: use #a72527 as the text (7.15:1)
Aaon black
3.76:1failpassfail
  • AA: use #d53f41 as the text (4.62:1)
  • AAA: use #e17577 as the text (7.01:1)
  • AA: or shift the background to #e8e8e8 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c52b2e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c52b2e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c52b2e
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 #c52b2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c52b2e-c4a09c-62cb96-2d251f-f1e9ed?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