Color

#b10b53

#b10b53
hex#b10b53
rgbrgb(177, 11, 83)
hslhsl(334, 88%, 37%)
oklchoklch(0.493 0.193 4.7)
Closest name: Fancy Red Wine (#b40441)Relative luminance 0.1021

Colors that go with #b10b53

Teal, Crimson and Denim 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.

Real palettes that use #b10b53

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#0bb169

#b10ba6 · #b1160b

#53b10b · #0b53b1

Split-complementary

Open in tool →

#0bb116 · #0ba6b1

#a6b10b · #0bb169 · #160bb1

Contrast

#b10b53 as textRatioAAAA largeAAAFix
Aaon white
6.9:1passpassfail
  • AAA: use #ad0b51 as the text (7.13:1)
Aaon black
3.04:1failpassfail
  • AA: use #e60f6c as the text (4.65:1)
  • AAA: use #f561a1 as the text (7.11:1)
  • AA: or shift the background to #d1d1d1 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b10b53 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

#b10b53 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b10b53
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 #b10b53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b10b53-c49ca9-62cb6b-2d1f1f-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