Color

#fc4a40

#fc4a40
hex#fc4a40
rgbrgb(252, 74, 64)
hslhsl(3, 97%, 62%)
oklchoklch(0.664 0.216 27.8)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2596

Tints & shades

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

Harmonies

Complementary

Open in tool →

#40f3fc

#fc4095 · #fca740

#40fc4a · #4a40fc

Split-complementary

Open in tool →

#40fca7 · #4095fc

#95fc40 · #40f3fc · #a740fc

Contrast

#fc4a40 as textRatioAAAA largeAAAFix
Aaon white
3.39:1failpassfail
  • AA: use #ec0f04 as the text (4.53:1)
  • AAA: use #b00b03 as the text (7.25:1)
  • AA: or shift the background to #242424 (4.58:1)
Aaon black
6.19:1passpassfail
  • AAA: use #fd665e as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fc4a40 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fc4a40 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fc4a40
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 #fc4a40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fc4a40-c4a39c-62cb9d-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