Color

#ca3f43

#ca3f43
hex#ca3f43
rgbrgb(202, 63, 67)
hslhsl(358, 57%, 52%)
oklchoklch(0.57 0.175 23.1)
Closest name: Bento Box (#cc363c)Relative luminance 0.1652

Colors that go with #ca3f43

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 →

#3fcac6

#ca3f89 · #ca803f

#43ca3f · #3f43ca

Split-complementary

Open in tool →

#3fca80 · #3f89ca

#89ca3f · #3fcac6 · #803fca

Contrast

#ca3f43 as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
Aaon black
4.3:1failpassfail
  • AA: use #cd474b as the text (4.6:1)
  • AAA: use #db7b7e as the text (7.15:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ca3f43 as the background.

Brands using this color

Fonts for this mood

#ca3f43 reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ca3f43
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 #ca3f43 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ca3f43-c49f9c-62cb95-2d251f-f1e9ed?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