Color

#b3374e

#b3374e
hex#b3374e
rgbrgb(179, 55, 78)
hslhsl(349, 53%, 46%)
oklchoklch(0.525 0.16 13.8)
Closest name: Amore (#ae2f48)Relative luminance 0.1287

Colors that go with #b3374e

Sea Green, 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 →

#37b39d

#b3378c · #b35f37

#4eb337 · #374eb3

Split-complementary

Open in tool →

#37b35f · #378cb3

#8cb337 · #37b39d · #5f37b3

Contrast

#b3374e as textRatioAAAA largeAAAFix
Aaon white
5.88:1passpassfail
  • AAA: use #9c3044 as the text (7.19:1)
Aaon black
3.57:1failpassfail
  • AA: use #c7485f as the text (4.52:1)
  • AAA: use #d67a8b as the text (7.02:1)
  • AA: or shift the background to #e3e3e3 (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 #b3374e 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

#b3374e reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b3374e
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 #b3374e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b3374e-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