Color

#e41a0c

#e41a0c
hex#e41a0c
rgbrgb(228, 26, 12)
hslhsl(4, 90%, 47%)
oklchoklch(0.584 0.23 29.7)
Closest name: Alarm (#ec0003)Relative luminance 0.1726

Colors that go with #e41a0c

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 →

#0cd5e4

#e40c69 · #e4860c

#0ce41a · #1a0ce4

Split-complementary

Open in tool →

#0ce486 · #0c69e4

#69e40c · #0cd5e4 · #860ce4

Contrast

#e41a0c as textRatioAAAA largeAAAFix
Aaon white
4.72:1passpassfail
  • AAA: use #ae1409 as the text (7.23:1)
Aaon black
4.45:1failpassfail
  • AA: use #e91b0c as the text (4.63:1)
  • AAA: use #f7695f as the text (7.14:1)
  • AA: or shift the background to #fafafa (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #e41a0c as the background.

Brands using this color

Fonts for this mood

#e41a0c reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #e41a0c
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 #e41a0c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e41a0c-c4a39c-62cb9f-2d261f-f1e9ed?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