Color

#c52638

#c52638
hex#c52638
rgbrgb(197, 38, 56)
hslhsl(353, 68%, 46%)
oklchoklch(0.537 0.193 21.5)
Closest name: Bleeding Heart (#c02e4c)Relative luminance 0.1354

Colors that go with #c52638

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 #c52638

Tints & shades

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

Harmonies

Complementary

Open in tool →

#26c5b2

#c52688 · #c56326

#38c526 · #2638c5

Split-complementary

Open in tool →

#26c563 · #2688c5

#88c526 · #26c5b2 · #6326c5

Contrast

#c52638 as textRatioAAAA largeAAAFix
Aaon white
5.66:1passpassfail
  • AAA: use #ab2131 as the text (7.02:1)
Aaon black
3.71:1failpassfail
  • AA: use #d93649 as the text (4.57:1)
  • AAA: use #e4727f as the text (7.01:1)
  • AA: or shift the background to #e6e6e6 (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 #c52638 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c52638 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c52638
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 #c52638 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c52638-c49c9c-62cb8c-2d241f-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