Color

#c1102d

#c1102d
hex#c1102d
rgbrgb(193, 16, 45)
hslhsl(350, 85%, 41%)
oklchoklch(0.517 0.202 22.1)
Closest name: Active Volcano (#bb1133)Relative luminance 0.119

Colors that go with #c1102d

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 →

#10c1a4

#c11086 · #c14b10

#2dc110 · #102dc1

Split-complementary

Open in tool →

#10c14b · #1086c1

#86c110 · #10c1a4 · #4b10c1

Contrast

#c1102d as textRatioAAAA largeAAAFix
Aaon white
6.21:1passpassfail
  • AAA: use #af0e29 as the text (7.2:1)
Aaon black
3.38:1failpassfail
  • AA: use #e71336 as the text (4.54:1)
  • AAA: use #f3687f as the text (7.1:1)
  • AA: or shift the background to #dedede (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c1102d as the background.

Brands using this color

Fonts for this mood

#c1102d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c1102d
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 #c1102d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c1102d-c49c9e-62cb87-2d231f-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