Color

#f3393d

#f3393d
hex#f3393d
rgbrgb(243, 57, 61)
hslhsl(359, 89%, 59%)
oklchoklch(0.633 0.221 25.3)
Closest name: Angry Flamingo (#f04e45)Relative luminance 0.2232

Colors that go with #f3393d

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 →

#39f3f0

#f3399a · #f39339

#3df339 · #393df3

Split-complementary

Open in tool →

#39f393 · #399af3

#9af339 · #39f3f0 · #9339f3

Contrast

#f3393d as textRatioAAAA largeAAAFix
Aaon white
3.84:1failpassfail
  • AA: use #ec0e11 as the text (4.53:1)
  • AAA: use #b20a0d as the text (7.14:1)
  • AA: or shift the background to #1a1a1a (4.53:1)
Aaon black
5.46:1passpassfail
  • AAA: use #f66a6c as the text (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f3393d as the background.

Brands using this color

Fonts for this mood

#f3393d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f3393d
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 #f3393d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f3393d-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