Color

#fc3d36

#fc3d36
hex#fc3d36
rgbrgb(252, 61, 54)
hslhsl(2, 97%, 60%)
oklchoklch(0.651 0.227 27.8)
Closest name: Blood Burst (#ff474c)Relative luminance 0.243

Tints & shades

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

Harmonies

Complementary

Open in tool →

#36f5fc

#fc3692 · #fca036

#36fc3d · #3d36fc

Split-complementary

Open in tool →

#36fca0 · #3692fc

#92fc36 · #36f5fc · #a036fc

Contrast

#fc3d36 as textRatioAAAA largeAAAFix
Aaon white
3.58:1failpassfail
  • AA: use #ec0b04 as the text (4.55:1)
  • AAA: use #b00803 as the text (7.29:1)
  • AA: or shift the background to #1f1f1f (4.6:1)
Aaon black
5.86:1passpassfail
  • AAA: use #fd645e as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fc3d36 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fc3d36 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fc3d36
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 #fc3d36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fc3d36-c4a29c-62cb9c-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