Color

#c4172b

#c4172b
hex#c4172b
rgbrgb(196, 23, 43)
hslhsl(353, 79%, 43%)
oklchoklch(0.525 0.201 23.5)
Closest name: Blood Kiss (#c30b0a)Relative luminance 0.1252

Colors that go with #c4172b

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 →

#17c4b0

#c41782 · #c45917

#2bc417 · #172bc4

Split-complementary

Open in tool →

#17c459 · #1782c4

#82c417 · #17c4b0 · #5917c4

Contrast

#c4172b as textRatioAAAA largeAAAFix
Aaon white
5.99:1passpassfail
  • AAA: use #ad1426 as the text (7.23:1)
Aaon black
3.5:1failpassfail
  • AA: use #e41b32 as the text (4.5:1)
  • AAA: use #ee6d7c as the text (7.11:1)
  • AA: or shift the background to #e0e0e0 (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 #c4172b as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#c4172b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c4172b
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 #c4172b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c4172b-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