Color

#c81e4e

#c81e4e
hex#c81e4e
rgbrgb(200, 30, 78)
hslhsl(343, 74%, 45%)
oklchoklch(0.542 0.201 12.5)
Closest name: Akari Red (#c90b42)Relative luminance 0.1376

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1ec898

#c81ea3 · #c8431e

#4ec81e · #1e4ec8

Split-complementary

Open in tool →

#1ec843 · #1ea3c8

#a3c81e · #1ec898 · #431ec8

Contrast

#c81e4e as textRatioAAAA largeAAAFix
Aaon white
5.6:1passpassfail
  • AAA: use #a91942 as the text (7.23:1)
Aaon black
3.75:1failpassfail
  • AA: use #df265a as the text (4.56:1)
  • AAA: use #e96d90 as the text (7.05:1)
  • AA: or shift the background to #e8e8e8 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #c81e4e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#c81e4e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #c81e4e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #c81e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/c81e4e-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