Color

#c30934

#c30934
hex#c30934
rgbrgb(195, 9, 52)
hslhsl(346, 91%, 40%)
oklchoklch(0.52 0.205 19.7)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1205

Colors that go with #c30934

Royal Blue, Steel Blue and Teal 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 →

#09c398

#c30991 · #c33b09

#34c309 · #0934c3

Split-complementary

Open in tool →

#09c33b · #0991c3

#91c309 · #09c398 · #3b09c3

Contrast

#c30934 as textRatioAAAA largeAAAFix
Aaon white
6.16:1passpassfail
  • AAA: use #af082f as the text (7.24:1)
Aaon black
3.41:1failpassfail
  • AA: use #ea0b3f as the text (4.62:1)
  • AAA: use #f86386 as the text (7.12:1)
  • AA: or shift the background to #dedede (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c30934 as the background.

Brands using this color

Fonts for this mood

#c30934 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c30934
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 #c30934 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c30934-c49ca1-62cb80-2d221f-f1e9ef?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