Color

#b05321

#b05321
hex#b05321
rgbrgb(176, 83, 33)
hslhsl(21, 68%, 41%)
oklchoklch(0.551 0.136 45.6)
Closest name: Autumnal (#ad5928)Relative luminance 0.1553

Colors that go with #b05321

Crimson, Royal Blue and Sea Green 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 →

#217eb0

#b02137 · #b09a21

#21b053 · #5321b0

Split-complementary

Open in tool →

#21b09a · #2137b0

#37b021 · #217eb0 · #9a21b0

Contrast

#b05321 as textRatioAAAA largeAAAFix
Aaon white
5.12:1passpassfail
  • AAA: use #8d431b as the text (7.12:1)
Aaon black
4.11:1failpassfail
  • AA: use #bc5924 as the text (4.59:1)
  • AAA: use #dd7e4b as the text (7.16:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b05321 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#b05321 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b05321
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 #b05321 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b05321-c4af9c-62cbbd-2d2a1f-f1e9ea?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