Color

#ca213a

#ca213a
hex#ca213a
rgbrgb(202, 33, 58)
hslhsl(351, 72%, 46%)
oklchoklch(0.544 0.2 20.5)
Closest name: Akari Red (#c90b42)Relative luminance 0.1395

Colors that go with #ca213a

Royal Blue, Sea Green 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 →

#21cab0

#ca218f · #ca5c21

#3aca21 · #213aca

Split-complementary

Open in tool →

#21ca5c · #218fca

#8fca21 · #21cab0 · #5c21ca

Contrast

#ca213a as textRatioAAAA largeAAAFix
Aaon white
5.54:1passpassfail
  • AAA: use #ab1c31 as the text (7.14:1)
Aaon black
3.79:1failpassfail
  • AA: use #dd2c47 as the text (4.53:1)
  • AAA: use #e87384 as the text (7.22:1)
  • AA: or shift the background to #e8e8e8 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ca213a as the background.

Brands using this color

Fonts for this mood

#ca213a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ca213a
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 #ca213a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ca213a-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