Color

#f9012a

#f9012a
hex#f9012a
rgbrgb(249, 1, 42)
hslhsl(350, 99%, 49%)
oklchoklch(0.619 0.251 25)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.2033

Colors that go with #f9012a

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 →

#01f9cf

#f901a6 · #f95401

#2af901 · #012af9

Split-complementary

Open in tool →

#01f954 · #01a6f9

#a6f901 · #01f9cf · #5401f9

Contrast

#f9012a as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #e90128 as the text (4.67:1)
  • AAA: use #b2011e as the text (7.2:1)
  • AA: or shift the background to #121212 (4.52:1)
Aaon black
5.07:1passpassfail
  • AAA: use #fe5d78 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f9012a as the background.

Brands using this color

Fonts for this mood

#f9012a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f9012a
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 #f9012a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f9012a-c49c9e-62cb87-2d231f-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