Color

#b02107

#b02107
hex#b02107
rgbrgb(176, 33, 7)
hslhsl(9, 92%, 36%)
oklchoklch(0.49 0.181 31.9)
Closest name: firebrick (#b22222)Relative luminance 0.1033

Colors that go with #b02107

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 →

#0797b0

#b00742 · #b07507

#07b021 · #2107b0

Split-complementary

Open in tool →

#07b075 · #0742b0

#42b007 · #0797b0 · #7507b0

Contrast

#b02107 as textRatioAAAA largeAAAFix
Aaon white
6.85:1passpassfail
  • AAA: use #ab2007 as the text (7.14:1)
Aaon black
3.07:1failpassfail
  • AA: use #e12a09 as the text (4.54:1)
  • AAA: use #f8684f as the text (7.08:1)
  • AA: or shift the background to #d4d4d4 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b02107 as the background.

Brands using this color

Fonts for this mood

#b02107 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b02107
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 #b02107 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b02107-c4a79c-62cba8-2d271f-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