Color

#ea3a2a

#ea3a2a
hex#ea3a2a
rgbrgb(234, 58, 42)
hslhsl(5, 82%, 54%)
oklchoklch(0.617 0.214 29.7)
Closest name: Arcade Fire (#ee3311)Relative luminance 0.2069

Colors that go with #ea3a2a

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 →

#2adaea

#ea2a7a · #ea9a2a

#2aea3a · #3a2aea

Split-complementary

Open in tool →

#2aea9a · #2a7aea

#7aea2a · #2adaea · #9a2aea

Contrast

#ea3a2a as textRatioAAAA largeAAAFix
Aaon white
4.09:1failpassfail
  • AA: use #e32816 as the text (4.58:1)
  • AAA: use #ac1e11 as the text (7.12:1)
  • AA: or shift the background to #141414 (4.51:1)
Aaon black
5.14:1passpassfail
  • AAA: use #ef6d61 as the text (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ea3a2a as the background.

Brands using this color

Fonts for this mood

#ea3a2a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ea3a2a
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 #ea3a2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ea3a2a-c4a49c-62cba1-2d261f-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