Color

#d91c29

#d91c29
hex#d91c29
rgbrgb(217, 28, 41)
hslhsl(356, 77%, 48%)
oklchoklch(0.567 0.217 25.5)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1574

Colors that go with #d91c29

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 →

#1cd9cc

#d91c87 · #d96e1c

#29d91c · #1c29d9

Split-complementary

Open in tool →

#1cd96e · #1c87d9

#87d91c · #1cd9cc · #6e1cd9

Contrast

#d91c29 as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #b01721 as the text (7.02:1)
Aaon black
4.15:1failpassfail
  • AA: use #e2222f as the text (4.5:1)
  • AAA: use #ec6f77 as the text (7.11:1)
  • AA: or shift the background to #f2f2f2 (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 #d91c29 as the background.

Brands using this color

Fonts for this mood

#d91c29 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d91c29
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 #d91c29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d91c29-c49e9c-62cb91-2d241f-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