Color

#ca0c42

#ca0c42
hex#ca0c42
rgbrgb(202, 12, 66)
hslhsl(343, 89%, 42%)
oklchoklch(0.536 0.21 15.8)
Closest name: Akari Red (#c90b42)Relative luminance 0.1321

Colors that go with #ca0c42

Charcoal, Royal 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 →

#0cca94

#ca0ca1 · #ca350c

#42ca0c · #0c42ca

Split-complementary

Open in tool →

#0cca35 · #0ca1ca

#a1ca0c · #0cca94 · #350cca

Contrast

#ca0c42 as textRatioAAAA largeAAAFix
Aaon white
5.77:1passpassfail
  • AAA: use #b20a3a as the text (7.01:1)
Aaon black
3.64:1failpassfail
  • AA: use #e70d4b as the text (4.56:1)
  • AAA: use #f6658e as the text (7.17:1)
  • AA: or shift the background to #e6e6e6 (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 #ca0c42 as the background.

Brands using this color

Fonts for this mood

#ca0c42 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ca0c42
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 #ca0c42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ca0c42-c49ca3-62cb7b-2d211f-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