Color

#b10b4e

#b10b4e
hex#b10b4e
rgbrgb(177, 11, 78)
hslhsl(336, 88%, 37%)
oklchoklch(0.491 0.192 6.9)
Closest name: Fancy Red Wine (#b40441)Relative luminance 0.1014

Colors that go with #b10b4e

Teal, Amber and Cobalt 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 →

#0bb16f

#b10ba1 · #b11c0b

#4eb10b · #0b4eb1

Split-complementary

Open in tool →

#0bb11c · #0ba1b1

#a1b10b · #0bb16f · #1c0bb1

Contrast

#b10b4e as textRatioAAAA largeAAAFix
Aaon white
6.94:1passpassfail
  • AAA: use #ad0b4c as the text (7.17:1)
Aaon black
3.03:1failpassfail
  • AA: use #e60f65 as the text (4.62:1)
  • AAA: use #f5619c as the text (7.07:1)
  • AA: or shift the background to #d1d1d1 (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 #b10b4e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#b10b4e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b10b4e
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 #b10b4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b10b4e-c49ca7-62cb6e-2d201f-f1e9f0?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