Color

#fb4a41

#fb4a41
hex#fb4a41
rgbrgb(251, 74, 65)
hslhsl(3, 96%, 62%)
oklchoklch(0.662 0.215 27.6)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2579

Colors that go with #fb4a41

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 →

#41f2fb

#fb4195 · #fba741

#41fb4a · #4a41fb

Split-complementary

Open in tool →

#41fba7 · #4195fb

#95fb41 · #41f2fb · #a741fb

Contrast

#fb4a41 as textRatioAAAA largeAAAFix
Aaon white
3.41:1failpassfail
  • AA: use #eb1005 as the text (4.56:1)
  • AAA: use #b40c04 as the text (7.01:1)
  • AA: or shift the background to #242424 (4.55:1)
Aaon black
6.16:1passpassfail
  • AAA: use #fc625a as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fb4a41 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fb4a41 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb4a41
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 #fb4a41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb4a41-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