Color

#fb3c3f

#fb3c3f
hex#fb3c3f
rgbrgb(251, 60, 63)
hslhsl(359, 96%, 61%)
oklchoklch(0.65 0.226 25.5)
Closest name: Blood Burst (#ff474c)Relative luminance 0.241

Colors that go with #fb3c3f

Charcoal, Cadet Blue and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3cfbf8

#fb3c9f · #fb983c

#3ffb3c · #3c3ffb

Split-complementary

Open in tool →

#3cfb98 · #3c9ffb

#9ffb3c · #3cfbf8 · #983cfb

Contrast

#fb3c3f as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #eb0509 as the text (4.61:1)
  • AAA: use #b40407 as the text (7.09:1)
  • AA: or shift the background to #1f1f1f (4.57:1)
Aaon black
5.82:1passpassfail
  • AAA: use #fc6467 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 #fb3c3f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fb3c3f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb3c3f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

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

analyze #fb3c3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb3c3f-c4a09c-62cb96-2d251f-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