Color

#b01c39

#b01c39
hex#b01c39
rgbrgb(176, 28, 57)
hslhsl(348, 73%, 40%)
oklchoklch(0.492 0.18 17.5)
Closest name: Bindi Red (#b0003c)Relative luminance 0.1036

Colors that go with #b01c39

Royal Blue, Teal and Amber 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 →

#1cb093

#b01c84 · #b0481c

#39b01c · #1c39b0

Split-complementary

Open in tool →

#1cb048 · #1c84b0

#84b01c · #1cb093 · #481cb0

Contrast

#b01c39 as textRatioAAAA largeAAAFix
Aaon white
6.84:1passpassfail
  • AAA: use #ac1b38 as the text (7.08:1)
Aaon black
3.07:1failpassfail
  • AA: use #de2b4f as the text (4.56:1)
  • AAA: use #e9728a as the text (7.24:1)
  • AA: or shift the background to #d4d4d4 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b01c39 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

#b01c39 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b01c39
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 #b01c39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b01c39-c49c9f-62cb83-2d231f-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