Color

#e51565

#e51565
hex#e51565
rgbrgb(229, 21, 101)
hslhsl(337, 83%, 49%)
oklchoklch(0.596 0.231 7.8)
Closest name: Borderline Pink (#ee1166)Relative luminance 0.1813

Colors that go with #e51565

Charcoal, Steel Blue and Amber 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 →

#15e595

#e515cc · #e52d15

#65e515 · #1565e5

Split-complementary

Open in tool →

#15e52d · #15cce5

#cce515 · #15e595 · #2d15e5

Contrast

#e51565 as textRatioAAAA largeAAAFix
Aaon white
4.54:1passpassfail
  • AAA: use #ad104c as the text (7.11:1)
Aaon black
4.63:1passpassfail
  • AAA: use #f1659b as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e51565 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

#e51565 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e51565
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 #e51565 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e51565-c49ca7-62cb70-2d201f-f1e9f0?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