Color

#b3192e

#b3192e
hex#b3192e
rgbrgb(179, 25, 46)
hslhsl(352, 75%, 40%)
oklchoklch(0.494 0.185 21.6)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1048

Colors that go with #b3192e

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 →

#19b39e

#b3197a · #b35219

#2eb319 · #192eb3

Split-complementary

Open in tool →

#19b352 · #197ab3

#7ab319 · #19b39e · #5219b3

Contrast

#b3192e as textRatioAAAA largeAAAFix
Aaon white
6.78:1passpassfail
  • AAA: use #ae192d as the text (7.05:1)
Aaon black
3.1:1failpassfail
  • AA: use #e02941 as the text (4.56:1)
  • AAA: use #eb7081 as the text (7.17:1)
  • AA: or shift the background to #d4d4d4 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b3192e as the background.

Brands using this color

Fonts for this mood

#b3192e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3192e
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 #b3192e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3192e-c49c9d-62cb8a-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