Color

#c52628

#c52628
hex#c52628
rgbrgb(197, 38, 40)
hslhsl(359, 68%, 46%)
oklchoklch(0.535 0.194 26.4)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1341

Colors that go with #c52628

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 →

#26c5c2

#c52678 · #c57326

#28c526 · #2628c5

Split-complementary

Open in tool →

#26c573 · #2678c5

#78c526 · #26c5c2 · #7326c5

Contrast

#c52628 as textRatioAAAA largeAAAFix
Aaon white
5.7:1passpassfail
  • AAA: use #ab2123 as the text (7.06:1)
Aaon black
3.68:1failpassfail
  • AA: use #d93638 as the text (4.54:1)
  • AAA: use #e57678 as the text (7.19:1)
  • AA: or shift the background to #e6e6e6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c52628 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c52628 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c52628
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 #c52628 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c52628-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