Color

#ef1a2f

#ef1a2f
hex#ef1a2f
rgbrgb(239, 26, 47)
hslhsl(354, 87%, 52%)
oklchoklch(0.607 0.236 24.8)
Closest name: Barberry (#ee1133)Relative luminance 0.1929

Colors that go with #ef1a2f

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 →

#1aefda

#ef1a9a · #ef6f1a

#2fef1a · #1a2fef

Split-complementary

Open in tool →

#1aef6f · #1a9aef

#9aef1a · #1aefda · #6f1aef

Contrast

#ef1a2f as textRatioAAAA largeAAAFix
Aaon white
4.32:1failpassfail
  • AA: use #ea1026 as the text (4.56:1)
  • AAA: use #b00c1d as the text (7.2:1)
  • AA: or shift the background to #0a0a0a (4.58:1)
Aaon black
4.86:1passpassfail

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ef1a2f as the background.

Brands using this color

Fonts for this mood

#ef1a2f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ef1a2f
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 #ef1a2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ef1a2f-c49d9c-62cb8e-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