Color

#b7153b

#b7153b
hex#b7153b
rgbrgb(183, 21, 59)
hslhsl(346, 79%, 40%)
oklchoklch(0.502 0.19 16.7)
Closest name: Active Volcano (#bb1133)Relative luminance 0.1092

Colors that go with #b7153b

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 →

#15b791

#b7158c · #b74015

#3bb715 · #153bb7

Split-complementary

Open in tool →

#15b740 · #158cb7

#8cb715 · #15b791 · #4015b7

Contrast

#b7153b as textRatioAAAA largeAAAFix
Aaon white
6.6:1passpassfail
  • AAA: use #ad1438 as the text (7.16:1)
Aaon black
3.18:1failpassfail
  • AA: use #e41b4a as the text (4.55:1)
  • AAA: use #ee6d8b as the text (7.2:1)
  • AA: or shift the background to #d6d6d6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b7153b as the background.

Brands using this color

Fonts for this mood

#b7153b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b7153b
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 #b7153b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b7153b-c49ca1-62cb80-2d221f-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