Color

#fc3936

#fc3936
hex#fc3936
rgbrgb(252, 57, 54)
hslhsl(1, 97%, 60%)
oklchoklch(0.648 0.23 27.1)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2389

Tints & shades

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

Harmonies

Complementary

Open in tool →

#36f9fc

#fc3696 · #fc9c36

#36fc39 · #3936fc

Split-complementary

Open in tool →

#36fc9c · #3696fc

#96fc36 · #36f9fc · #9c36fc

Contrast

#fc3936 as textRatioAAAA largeAAAFix
Aaon white
3.63:1failpassfail
  • AA: use #ec0704 as the text (4.57:1)
  • AAA: use #b50603 as the text (7.02:1)
  • AA: or shift the background to #1f1f1f (4.53:1)
Aaon black
5.78:1passpassfail
  • AAA: use #fd615e as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fc3936 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fc3936 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fc3936
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 #fc3936 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fc3936-c4a19c-62cb9a-2d261f-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