Color

#f83a3d

#f83a3d
hex#f83a3d
rgbrgb(248, 58, 61)
hslhsl(359, 93%, 60%)
oklchoklch(0.643 0.225 25.6)
Closest name: Blood Burst (#ff474c)Relative luminance 0.2332

Colors that go with #f83a3d

Charcoal, Dodger Blue and Steel Blue 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 →

#3af8f5

#f83a9c · #f8963a

#3df83a · #3a3df8

Split-complementary

Open in tool →

#3af896 · #3a9cf8

#9cf83a · #3af8f5 · #963af8

Contrast

#f83a3d as textRatioAAAA largeAAAFix
Aaon white
3.71:1failpassfail
  • AA: use #ec090c as the text (4.55:1)
  • AAA: use #b10609 as the text (7.24:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.66:1passpassfail
  • AAA: use #f96669 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f83a3d as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f83a3d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f83a3d
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 #f83a3d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f83a3d-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