Color

#fd1d12

#fd1d12
hex#fd1d12
rgbrgb(253, 29, 18)
hslhsl(3, 98%, 53%)
oklchoklch(0.632 0.249 29.4)
Closest name: red (#ff0000)Relative luminance 0.2181

Colors that go with #fd1d12

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 →

#12f1fd

#fd127b · #fd9312

#12fd1d · #1d12fd

Split-complementary

Open in tool →

#12fd93 · #127bfd

#7bfd12 · #12f1fd · #9312fd

Contrast

#fd1d12 as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #ed0e02 as the text (4.5:1)
  • AAA: use #b10b02 as the text (7.2:1)
  • AA: or shift the background to #171717 (4.58:1)
Aaon black
5.36:1passpassfail
  • AAA: use #fd6158 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd1d12 as the background.

Brands using this color

Fonts for this mood

#fd1d12 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd1d12
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 #fd1d12 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd1d12-c4a39c-62cb9d-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