Color

#b80f2e

#b80f2e
hex#b80f2e
rgbrgb(184, 15, 46)
hslhsl(349, 85%, 39%)
oklchoklch(0.499 0.194 21)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1073

Colors that go with #b80f2e

Royal Blue, Steel Blue and Teal 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 →

#0fb899

#b80f82 · #b8440f

#2eb80f · #0f2eb8

Split-complementary

Open in tool →

#0fb844 · #0f82b8

#82b80f · #0fb899 · #440fb8

Contrast

#b80f2e as textRatioAAAA largeAAAFix
Aaon white
6.68:1passpassfail
  • AAA: use #af0e2c as the text (7.19:1)
Aaon black
3.15:1failpassfail
  • AA: use #e7133a as the text (4.55:1)
  • AAA: use #f36881 as the text (7.11:1)
  • AA: or shift the background to #d4d4d4 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b80f2e as the background.

Brands using this color

Fonts for this mood

#b80f2e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b80f2e
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 #b80f2e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b80f2e-c49c9f-62cb85-2d231f-f1e9ee?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