Color

#f91028

#f91028
hex#f91028
rgbrgb(249, 16, 40)
hslhsl(354, 95%, 52%)
oklchoklch(0.622 0.248 25.9)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.2066

Colors that go with #f91028

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 →

#10f9e2

#f9109c · #f96d10

#28f910 · #1028f9

Split-complementary

Open in tool →

#10f96d · #109cf9

#9cf910 · #10f9e2 · #6d10f9

Contrast

#f91028 as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #ea061d as the text (4.62:1)
  • AAA: use #b30516 as the text (7.12:1)
  • AA: or shift the background to #141414 (4.5:1)
Aaon black
5.13:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f91028 as the background.

Brands using this color

Fonts for this mood

#f91028 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f91028
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 #f91028 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f91028-c49d9c-62cb8e-2d241f-f1e9ee?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