Color

#fd2128

#fd2128
hex#fd2128
rgbrgb(253, 33, 40)
hslhsl(358, 98%, 56%)
oklchoklch(0.635 0.246 27)
Closest name: red (#ff0000)Relative luminance 0.2212

Colors that go with #fd2128

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 →

#21fdf5

#fd2196 · #fd8721

#28fd21 · #2128fd

Split-complementary

Open in tool →

#21fd87 · #2196fd

#96fd21 · #21fdf5 · #8721fd

Contrast

#fd2128 as textRatioAAAA largeAAAFix
Aaon white
3.87:1failpassfail
  • AA: use #ed020a as the text (4.55:1)
  • AAA: use #b10208 as the text (7.29:1)
  • AA: or shift the background to #171717 (4.63:1)
Aaon black
5.42:1passpassfail
  • AAA: use #fd6268 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 #fd2128 as the background.

Brands using this color

Fonts for this mood

#fd2128 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fd2128
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 #fd2128 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fd2128-c49f9c-62cb95-2d251f-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