Color

#b03317

#b03317
hex#b03317
rgbrgb(176, 51, 23)
hslhsl(11, 77%, 39%)
oklchoklch(0.507 0.166 33.8)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1166

Colors that go with #b03317

Royal Blue, Sea Green and Steel Blue 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 #b03317

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1794b0

#b01747 · #b08017

#17b033 · #3317b0

Split-complementary

Open in tool →

#17b080 · #1747b0

#47b017 · #1794b0 · #8017b0

Contrast

#b03317 as textRatioAAAA largeAAAFix
Aaon white
6.3:1passpassfail
  • AAA: use #a22f15 as the text (7.11:1)
Aaon black
3.33:1failpassfail
  • AA: use #d93f1c as the text (4.68:1)
  • AAA: use #e97358 as the text (7.06:1)
  • AA: or shift the background to #dbdbdb (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b03317 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#b03317 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b03317
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 #b03317 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b03317-c4a89c-62cbab-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