Color

#ef3e5e

#ef3e5e
hex#ef3e5e
rgbrgb(239, 62, 94)
hslhsl(349, 85%, 59%)
oklchoklch(0.636 0.212 15.8)
Closest name: Bat’s Blood Soup (#ee3366)Relative luminance 0.226

Colors that go with #ef3e5e

Charcoal, Dodger Blue and Cadet 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.

Real palettes that use #ef3e5e

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3eefcf

#ef3eb7 · #ef763e

#5eef3e · #3e5eef

Split-complementary

Open in tool →

#3eef76 · #3eb7ef

#b7ef3e · #3eefcf · #763eef

Contrast

#ef3e5e as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #e7133a as the text (4.61:1)
  • AAA: use #af0e2c as the text (7.19:1)
  • AA: or shift the background to #1a1a1a (4.58:1)
Aaon black
5.52:1passpassfail
  • AAA: use #f36881 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef3e5e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#ef3e5e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef3e5e
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 #ef3e5e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef3e5e-c49c9f-62cb85-2d231f-f1e9ee?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