Color

#fd321c

#fd321c
hex#fd321c
rgbrgb(253, 50, 28)
hslhsl(6, 98%, 55%)
oklchoklch(0.643 0.238 30.5)
Closest name: red (#ff0000)Relative luminance 0.2325

Colors that go with #fd321c

Charcoal, Cadet Blue and Amber 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 →

#1ce6fd

#fd1c76 · #fda31c

#1cfd32 · #321cfd

Split-complementary

Open in tool →

#1cfda3 · #1c76fd

#76fd1c · #1ce6fd · #a31cfd

Contrast

#fd321c as textRatioAAAA largeAAAFix
Aaon white
3.72:1failpassfail
  • AA: use #e81902 as the text (4.59:1)
  • AAA: use #b11302 as the text (7.09:1)
  • AA: or shift the background to #1c1c1c (4.58:1)
Aaon black
5.65:1passpassfail
  • AAA: use #fd6453 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #fd321c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fd321c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd321c
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 #fd321c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd321c-c4a59c-62cba3-2d271f-f1e9ec?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