Color

#f5350a

#f5350a
hex#f5350a
rgbrgb(245, 53, 10)
hslhsl(11, 92%, 50%)
oklchoklch(0.63 0.231 32.6)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2198

Colors that go with #f5350a

Charcoal, Steel Blue and Cadet 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 →

#0acaf5

#f50a54 · #f5ab0a

#0af535 · #350af5

Split-complementary

Open in tool →

#0af5ab · #0a54f5

#54f50a · #0acaf5 · #ab0af5

Contrast

#f5350a as textRatioAAAA largeAAAFix
Aaon white
3.89:1failpassfail
  • AA: use #e13109 as the text (4.52:1)
  • AAA: use #ab2507 as the text (7:1)
  • AA: or shift the background to #171717 (4.61:1)
Aaon black
5.4:1passpassfail
  • AAA: use #f76a4a 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 #f5350a as the background.

Brands using this color

Fonts for this mood

#f5350a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f5350a
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 #f5350a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f5350a-c4a89c-62cbab-2d281f-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