Color

#c21952

#c21952
hex#c21952
rgbrgb(194, 25, 82)
hslhsl(340, 77%, 43%)
oklchoklch(0.529 0.199 9.5)
Closest name: Akari Red (#c90b42)Relative luminance 0.1277

Colors that go with #c21952

Steel 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 →

#19c28a

#c219a6 · #c23519

#52c219 · #1952c2

Split-complementary

Open in tool →

#19c235 · #19a6c2

#a6c219 · #19c28a · #3519c2

Contrast

#c21952 as textRatioAAAA largeAAAFix
Aaon white
5.91:1passpassfail
  • AAA: use #ac1648 as the text (7.09:1)
Aaon black
3.55:1failpassfail
  • AA: use #e21d5f as the text (4.57:1)
  • AAA: use #ec6a95 as the text (7.06:1)
  • AA: or shift the background to #e3e3e3 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c21952 as the background.

Brands using this color

Fonts for this mood

#c21952 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c21952
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 #c21952 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c21952-c49ca5-62cb75-2d211f-f1e9f0?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