Color

#f63528

#f63528
hex#f63528
rgbrgb(246, 53, 40)
hslhsl(4, 92%, 56%)
oklchoklch(0.634 0.229 29.2)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2229

Colors that go with #f63528

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 →

#28e8f6

#f62881 · #f69d28

#28f635 · #3528f6

Split-complementary

Open in tool →

#28f69d · #2881f6

#81f628 · #28e8f6 · #9d28f6

Contrast

#f63528 as textRatioAAAA largeAAAFix
Aaon white
3.85:1failpassfail
  • AA: use #e6180a as the text (4.67:1)
  • AAA: use #b01307 as the text (7.14:1)
  • AA: or shift the background to #1a1a1a (4.52:1)
Aaon black
5.46:1passpassfail
  • AAA: use #f8685d as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #f63528 as the background.

Brands using this color

Fonts for this mood

#f63528 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f63528
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 #f63528 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f63528-c4a39c-62cb9f-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