Color

#f64531

#f64531
hex#f64531
rgbrgb(246, 69, 49)
hslhsl(6, 92%, 58%)
oklchoklch(0.647 0.216 30.3)
Closest name: Angry Flamingo (#f04e45)Relative luminance 0.2407

Colors that go with #f64531

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 →

#31e3f6

#f63180 · #f6a831

#31f645 · #4531f6

Split-complementary

Open in tool →

#31f6a8 · #3180f6

#80f631 · #31e3f6 · #a831f6

Contrast

#f64531 as textRatioAAAA largeAAAFix
Aaon white
3.61:1failpassfail
  • AA: use #e6200a as the text (4.59:1)
  • AAA: use #b01807 as the text (7.05:1)
  • AA: or shift the background to #1f1f1f (4.56:1)
Aaon black
5.81:1passpassfail
  • AAA: use #f86859 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 #f64531 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#f64531 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f64531
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 #f64531 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f64531-c4a59c-62cba3-2d271f-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