Color

#b23510

#b23510
hex#b23510
rgbrgb(178, 53, 16)
hslhsl(14, 84%, 38%)
oklchoklch(0.513 0.167 35.6)
Closest name: Bloodshed (#ba271a)Relative luminance 0.1205

Colors that go with #b23510

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 #b23510

Tints & shades

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

Harmonies

Complementary

Open in tool →

#108cb2

#b2103b · #b28710

#10b235 · #3510b2

Split-complementary

Open in tool →

#10b287 · #103bb2

#3bb210 · #108cb2 · #8710b2

Contrast

#b23510 as textRatioAAAA largeAAAFix
Aaon white
6.16:1passpassfail
  • AAA: use #a0300e as the text (7.18:1)
Aaon black
3.41:1failpassfail
  • AA: use #d84113 as the text (4.69:1)
  • AAA: use #ef6f48 as the text (7.04:1)
  • AA: or shift the background to #dedede (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b23510 as the background.

Brands using this color

Fonts for this mood

#b23510 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b23510
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 #b23510 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b23510-c4aa9c-62cbb1-2d291f-f1e9eb?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