Color

#e3340d

#e3340d
hex#e3340d
rgbrgb(227, 52, 13)
hslhsl(11, 89%, 47%)
oklchoklch(0.598 0.215 32.9)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.1882

Colors that go with #e3340d

Charcoal, Sea Green 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 →

#0dbbe3

#e30d51 · #e39f0d

#0de334 · #340de3

Split-complementary

Open in tool →

#0de39f · #0d51e3

#51e30d · #0dbbe3 · #9f0de3

Contrast

#e3340d as textRatioAAAA largeAAAFix
Aaon white
4.41:1failpassfail
  • AA: use #de330d as the text (4.58:1)
  • AAA: use #a9270a as the text (7.04:1)
  • AA: or shift the background to #080808 (4.54:1)
Aaon black
4.76:1passpassfail
  • AAA: use #f56b4d as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e3340d as the background.

Brands using this color

Fonts for this mood

#e3340d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e3340d
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 #e3340d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e3340d-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