Color

#d3093b

#d3093b
hex#d3093b
rgbrgb(211, 9, 59)
hslhsl(345, 92%, 43%)
oklchoklch(0.551 0.218 19)
Closest name: crimson (#dc143c)Relative luminance 0.1436

Colors that go with #d3093b

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 →

#09d3a0

#d309a0 · #d33b09

#3bd309 · #093bd3

Split-complementary

Open in tool →

#09d33b · #09a0d3

#a0d309 · #09d3a0 · #3b09d3

Contrast

#d3093b as textRatioAAAA largeAAAFix
Aaon white
5.42:1passpassfail
  • AAA: use #b00732 as the text (7.19:1)
Aaon black
3.87:1failpassfail
  • AA: use #eb0a42 as the text (4.65:1)
  • AAA: use #f86288 as the text (7.09:1)
  • AA: or shift the background to #ebebeb (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d3093b as the background.

Brands using this color

Fonts for this mood

#d3093b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d3093b
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 #d3093b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d3093b-c49ca1-62cb7e-2d221f-f1e9ef?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