Color

#fb1317

#fb1317
hex#fb1317
rgbrgb(251, 19, 23)
hslhsl(359, 97%, 53%)
oklchoklch(0.625 0.25 28.3)
Closest name: Apple Cherry (#f81404)Relative luminance 0.2104

Colors that go with #fb1317

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 →

#13fbf8

#fb138b · #fb8313

#17fb13 · #1317fb

Split-complementary

Open in tool →

#13fb83 · #138bfb

#8bfb13 · #13fbf8 · #8313fb

Contrast

#fb1317 as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #ec0407 as the text (4.58:1)
  • AAA: use #b50306 as the text (7.05:1)
  • AA: or shift the background to #141414 (4.57:1)
Aaon black
5.21:1passpassfail
  • AAA: use #fd6366 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 #fb1317 as the background.

Brands using this color

Fonts for this mood

#fb1317 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fb1317
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 #fb1317 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fb1317-c4a09c-62cb96-2d251f-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