Color

#e41b40

#e41b40
hex#e41b40
rgbrgb(228, 27, 64)
hslhsl(349, 79%, 50%)
oklchoklch(0.589 0.226 20.1)
Closest name: crimson (#dc143c)Relative luminance 0.1765

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1be4bf

#e41ba4 · #e45b1b

#40e41b · #1b40e4

Split-complementary

Open in tool →

#1be45b · #1ba4e4

#a4e41b · #1be4bf · #5b1be4

Contrast

#e41b40 as textRatioAAAA largeAAAFix
Aaon white
4.64:1passpassfail
  • AAA: use #ad1430 as the text (7.19:1)
Aaon black
4.53:1passpassfail
  • AAA: use #ee6d85 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e41b40 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

#e41b40 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e41b40
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 #e41b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e41b40-c49c9f-62cb85-2d231f-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