Color

#e31c4e

#e31c4e
hex#e31c4e
rgbrgb(227, 28, 78)
hslhsl(345, 78%, 50%)
oklchoklch(0.59 0.224 15.8)
Closest name: Anarchist (#db304a)Relative luminance 0.1771

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1ce3b1

#e31cb1 · #e34e1c

#4ee31c · #1c4ee3

Split-complementary

Open in tool →

#1ce34e · #1cb1e3

#b1e31c · #1ce3b1 · #4e1ce3

Contrast

#e31c4e as textRatioAAAA largeAAAFix
Aaon white
4.62:1passpassfail
  • AAA: use #ac153b as the text (7.18:1)
Aaon black
4.54:1passpassfail
  • AAA: use #ed6e8e as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e31c4e as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#e31c4e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e31c4e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #e31c4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e31c4e-c49ca1-62cb7e-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