Color

#c42927

#c42927
hex#c42927
rgbrgb(196, 41, 39)
hslhsl(1, 67%, 46%)
oklchoklch(0.536 0.191 27.1)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1347

Colors that go with #c42927

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 →

#27c1c4

#c42773 · #c47827

#27c429 · #2927c4

Split-complementary

Open in tool →

#27c478 · #2773c4

#73c427 · #27c1c4 · #7827c4

Contrast

#c42927 as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #aa2422 as the text (7.04:1)
Aaon black
3.69:1failpassfail
  • AA: use #d73a37 as the text (4.55:1)
  • AAA: use #e37472 as the text (7.01:1)
  • AA: or shift the background to #e6e6e6 (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 #c42927 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c42927 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c42927
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 #c42927 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c42927-c4a19c-62cb9a-2d261f-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