Color

#a0210e

#a0210e
hex#a0210e
rgbrgb(160, 33, 14)
hslhsl(8, 84%, 34%)
oklchoklch(0.461 0.165 31.5)
Closest name: Antique Port Wine (#98211a)Relative luminance 0.0859

Colors that go with #a0210e

Royal Blue, Teal and Champagne 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 →

#0e8ca0

#a00e43 · #a06a0e

#0ea021 · #210ea0

Split-complementary

Open in tool →

#0ea06a · #0e43a0

#43a00e · #0e8ca0 · #6a0ea0

Contrast

#a0210e as textRatioAAAA largeAAAFix
Aaon white
7.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #e12f14 as the text (4.62:1)
  • AAA: use #f16f5b as the text (7.16:1)
  • AA: or shift the background to #c7c7c7 (4.57:1)
  • AAA: or shift the background to #f5f5f5 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a0210e as the background.

Brands using this color

Fonts for this mood

#a0210e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a0210e
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 #a0210e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a0210e-c4a69c-62cba6-2d271f-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