Color

#d41c1f

#d41c1f
hex#d41c1f
rgbrgb(212, 28, 31)
hslhsl(359, 77%, 47%)
oklchoklch(0.556 0.214 27.4)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1493

Colors that go with #d41c1f

Charcoal, Royal Blue and Steel Blue 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 →

#1cd4d1

#d41c7b · #d4751c

#1fd41c · #1c1fd4

Split-complementary

Open in tool →

#1cd475 · #1c7bd4

#7bd41c · #1cd4d1 · #751cd4

Contrast

#d41c1f as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #b01719 as the text (7.04:1)
Aaon black
3.99:1failpassfail
  • AA: use #e32629 as the text (4.58:1)
  • AAA: use #ec6f71 as the text (7.08:1)
  • AA: or shift the background to #ededed (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d41c1f as the background.

Brands using this color

Fonts for this mood

#d41c1f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d41c1f
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 #d41c1f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d41c1f-c4a09c-62cb96-2d251f-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