Color

#fd3126

#fd3126
hex#fd3126
rgbrgb(253, 49, 38)
hslhsl(3, 98%, 57%)
oklchoklch(0.643 0.238 29)
Closest name: red (#ff0000)Relative luminance 0.2322

Colors that go with #fd3126

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 →

#26f2fd

#fd2687 · #fd9c26

#26fd31 · #3126fd

Split-complementary

Open in tool →

#26fd9c · #2687fd

#87fd26 · #26f2fd · #9c26fd

Contrast

#fd3126 as textRatioAAAA largeAAAFix
Aaon white
3.72:1failpassfail
  • AA: use #ed0e02 as the text (4.5:1)
  • AAA: use #b10b02 as the text (7.2:1)
  • AA: or shift the background to #1c1c1c (4.58:1)
Aaon black
5.64:1passpassfail
  • 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 #fd3126 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#fd3126 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd3126
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 #fd3126 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd3126-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