Color

#d10a3f

#d10a3f
hex#d10a3f
rgbrgb(209, 10, 63)
hslhsl(344, 91%, 43%)
oklchoklch(0.548 0.216 17.6)
Closest name: Akari Red (#c90b42)Relative luminance 0.1413

Colors that go with #d10a3f

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 →

#0ad19c

#d10aa3 · #d1380a

#3fd10a · #0a3fd1

Split-complementary

Open in tool →

#0ad138 · #0aa3d1

#a3d10a · #0ad19c · #380ad1

Contrast

#d10a3f as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #af0835 as the text (7.22:1)
Aaon black
3.83:1failpassfail
  • AA: use #ea0b46 as the text (4.63:1)
  • AAA: use #f8638b as the text (7.15:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d10a3f as the background.

Brands using this color

Fonts for this mood

#d10a3f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d10a3f
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 #d10a3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d10a3f-c49ca2-62cb7c-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