Color

#f4130b

#f4130b
hex#f4130b
rgbrgb(244, 19, 11)
hslhsl(2, 91%, 50%)
oklchoklch(0.612 0.245 29.3)
Closest name: Assassin’s Red (#f60206)Relative luminance 0.1972

Colors that go with #f4130b

Charcoal, Royal Blue and Sea Green 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 →

#0becf4

#f40b78 · #f4870b

#0bf413 · #130bf4

Split-complementary

Open in tool →

#0bf487 · #0b78f4

#78f40b · #0becf4 · #870bf4

Contrast

#f4130b as textRatioAAAA largeAAAFix
Aaon white
4.25:1failpassfail
  • AA: use #ea120b as the text (4.58:1)
  • AAA: use #af0e08 as the text (7.27:1)
  • AA: or shift the background to #0f0f0f (4.51:1)
Aaon black
4.94:1passpassfail
  • AAA: use #f86863 as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f4130b as the background.

Brands using this color

Fonts for this mood

#f4130b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f4130b
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 #f4130b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f4130b-c4a29c-62cb9c-2d261f-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