Color

#d41c3a

#d41c3a
hex#d41c3a
rgbrgb(212, 28, 58)
hslhsl(350, 77%, 47%)
oklchoklch(0.559 0.212 20.7)
Closest name: crimson (#dc143c)Relative luminance 0.1513

Colors that go with #d41c3a

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 →

#1cd4b5

#d41c97 · #d4591c

#3ad41c · #1c3ad4

Split-complementary

Open in tool →

#1cd459 · #1c97d4

#97d41c · #1cd4b5 · #591cd4

Contrast

#d41c3a as textRatioAAAA largeAAAFix
Aaon white
5.22:1passpassfail
  • AAA: use #ac162f as the text (7.22:1)
Aaon black
4.03:1failpassfail
  • AA: use #e22242 as the text (4.54:1)
  • AAA: use #ec6f84 as the text (7.17:1)
  • AA: or shift the background to #f0f0f0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d41c3a as the background.

Brands using this color

Fonts for this mood

#d41c3a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d41c3a
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 #d41c3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d41c3a-c49c9e-62cb87-2d231f-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