Color

#e10938

#e10938
hex#e10938
rgbrgb(225, 9, 56)
hslhsl(347, 92%, 46%)
oklchoklch(0.577 0.229 21)
Closest name: crimson (#dc143c)Relative luminance 0.1649

Colors that go with #e10938

Charcoal, Royal Blue and Sea Green 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 →

#09e1b2

#e109a4 · #e14709

#38e109 · #0938e1

Split-complementary

Open in tool →

#09e147 · #09a4e1

#a4e109 · #09e1b2 · #4709e1

Contrast

#e10938 as textRatioAAAA largeAAAFix
Aaon white
4.89:1passpassfail
  • AAA: use #b0072c as the text (7.21:1)
Aaon black
4.3:1failpassfail
  • AA: use #eb0a3b as the text (4.64:1)
  • AAA: use #f86283 as the text (7.07:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e10938 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#e10938 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e10938
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 #e10938 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e10938-c49ca0-62cb82-2d221f-f1e9ef?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