Color

#ef2532

#ef2532
hex#ef2532
rgbrgb(239, 37, 50)
hslhsl(356, 86%, 54%)
oklchoklch(0.612 0.231 25.2)
Closest name: Barberry (#ee1133)Relative luminance 0.199

Colors that go with #ef2532

Charcoal, Royal Blue 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 →

#25efe1

#ef2597 · #ef7c25

#32ef25 · #2532ef

Split-complementary

Open in tool →

#25ef7c · #2597ef

#97ef25 · #25efe1 · #7c25ef

Contrast

#ef2532 as textRatioAAAA largeAAAFix
Aaon white
4.22:1failpassfail
  • AA: use #e81120 as the text (4.63:1)
  • AAA: use #af0d18 as the text (7.26:1)
  • AA: or shift the background to #0f0f0f (4.55:1)
Aaon black
4.98:1passpassfail
  • AAA: use #f46771 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 #ef2532 as the background.

Brands using this color

Fonts for this mood

#ef2532 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef2532
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 #ef2532 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef2532-c49e9c-62cb91-2d241f-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