Color

#f91f2a

#f91f2a
hex#f91f2a
rgbrgb(249, 31, 42)
hslhsl(357, 95%, 55%)
oklchoklch(0.627 0.243 26.5)
Closest name: Apple Cherry (#f81404)Relative luminance 0.2129

Colors that go with #f91f2a

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 →

#1ff9ee

#f91f97 · #f9811f

#2af91f · #1f2af9

Split-complementary

Open in tool →

#1ff981 · #1f97f9

#97f91f · #1ff9ee · #811ff9

Contrast

#f91f2a as textRatioAAAA largeAAAFix
Aaon white
3.99:1failpassfail
  • AA: use #ea0611 as the text (4.63:1)
  • AAA: use #b3050d as the text (7.13:1)
  • AA: or shift the background to #141414 (4.61:1)
Aaon black
5.26:1passpassfail
  • AAA: use #fb656c as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f91f2a as the background.

Brands using this color

Fonts for this mood

#f91f2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f91f2a
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 #f91f2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f91f2a-c49f9c-62cb93-2d251f-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