Color

#ca122d

#ca122d
hex#ca122d
rgbrgb(202, 18, 45)
hslhsl(351, 84%, 43%)
oklchoklch(0.535 0.208 22.9)
Closest name: Akari Red (#c90b42)Relative luminance 0.1318

Colors that go with #ca122d

Royal Blue, Teal and Amber 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 →

#12caae

#ca1289 · #ca5212

#2dca12 · #122dca

Split-complementary

Open in tool →

#12ca52 · #1289ca

#89ca12 · #12caae · #5212ca

Contrast

#ca122d as textRatioAAAA largeAAAFix
Aaon white
5.78:1passpassfail
  • AAA: use #b21028 as the text (7.01:1)
Aaon black
3.64:1failpassfail
  • AA: use #e61433 as the text (4.51:1)
  • AAA: use #f2697d as the text (7.09:1)
  • AA: or shift the background to #e3e3e3 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ca122d as the background.

Brands using this color

Fonts for this mood

#ca122d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ca122d
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 #ca122d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ca122d-c49c9e-62cb89-2d231f-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