Color

#b03111

#b03111
hex#b03111
rgbrgb(176, 49, 17)
hslhsl(12, 82%, 38%)
oklchoklch(0.505 0.169 34.4)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1147

Colors that go with #b03111

Royal Blue, Sea Green 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.

Real palettes that use #b03111

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#1191b0

#b01141 · #b08111

#11b031 · #3111b0

Split-complementary

Open in tool →

#11b081 · #1141b0

#41b011 · #1191b0 · #8111b0

Contrast

#b03111 as textRatioAAAA largeAAAFix
Aaon white
6.38:1passpassfail
  • AAA: use #a22d10 as the text (7.19:1)
Aaon black
3.29:1failpassfail
  • AA: use #da3d16 as the text (4.66:1)
  • AAA: use #ee7253 as the text (7.17:1)
  • AA: or shift the background to #d9d9d9 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b03111 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

#b03111 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b03111
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 #b03111 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b03111-c4a99c-62cbad-2d281f-f1e9ec?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