Color

#d9173a

#d9173a
hex#d9173a
rgbrgb(217, 23, 58)
hslhsl(349, 81%, 47%)
oklchoklch(0.566 0.218 20.6)
Closest name: crimson (#dc143c)Relative luminance 0.1567

Colors that go with #d9173a

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 →

#17d9b5

#d9179b · #d95417

#3ad917 · #173ad9

Split-complementary

Open in tool →

#17d954 · #179bd9

#9bd917 · #17d9b5 · #5417d9

Contrast

#d9173a as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #af122f as the text (7.12:1)
Aaon black
4.13:1failpassfail
  • AA: use #e7183e as the text (4.6:1)
  • AAA: use #ef6b84 as the text (7.11:1)
  • AA: or shift the background to #f2f2f2 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d9173a as the background.

Brands using this color

Fonts for this mood

#d9173a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d9173a
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 #d9173a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d9173a-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