Color

#fd4c3f

#fd4c3f
hex#fd4c3f
rgbrgb(253, 76, 63)
hslhsl(4, 98%, 62%)
oklchoklch(0.667 0.215 28.5)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2641

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3ff0fd

#fd3f91 · #fdab3f

#3ffd4c · #4c3ffd

Split-complementary

Open in tool →

#3ffdab · #3f91fd

#91fd3f · #3ff0fd · #ab3ffd

Contrast

#fd4c3f as textRatioAAAA largeAAAFix
Aaon white
3.34:1failpassfail
  • AA: use #e81202 as the text (4.65:1)
  • AAA: use #b10d02 as the text (7.17:1)
  • AA: or shift the background to #262626 (4.53:1)
Aaon black
6.28:1passpassfail
  • AAA: use #fd6358 as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd4c3f as the background.

Brands using this color

Fonts for this mood

#fd4c3f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd4c3f
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 #fd4c3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd4c3f-c4a39c-62cb9f-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