Color

#e52f0b

#e52f0b
hex#e52f0b
rgbrgb(229, 47, 11)
hslhsl(10, 91%, 47%)
oklchoklch(0.598 0.22 32.2)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.1872

Colors that go with #e52f0b

Charcoal, Royal Blue and Sea Green 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 →

#0bc1e5

#e50b53 · #e59c0b

#0be52f · #2f0be5

Split-complementary

Open in tool →

#0be59c · #0b53e5

#53e50b · #0bc1e5 · #9c0be5

Contrast

#e52f0b as textRatioAAAA largeAAAFix
Aaon white
4.43:1failpassfail
  • AA: use #e02e0b as the text (4.6:1)
  • AAA: use #aa2308 as the text (7.11:1)
  • AA: or shift the background to #080808 (4.52:1)
Aaon black
4.74:1passpassfail
  • AAA: use #f76c50 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e52f0b as the background.

Brands using this color

Fonts for this mood

#e52f0b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e52f0b
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 #e52f0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e52f0b-c4a79c-62cbaa-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