Color

#a13b2b

#a13b2b
hex#a13b2b
rgbrgb(161, 59, 43)
hslhsl(8, 58%, 40%)
oklchoklch(0.493 0.139 31.4)
Closest name: Brick (#a03623)Relative luminance 0.1088

Colors that go with #a13b2b

Royal Blue, Teal and Amber 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 #a13b2b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b91a1

#a12b56 · #a1762b

#2ba13b · #3b2ba1

Split-complementary

Open in tool →

#2ba176 · #2b56a1

#56a12b · #2b91a1 · #762ba1

Contrast

#a13b2b as textRatioAAAA largeAAAFix
Aaon white
6.61:1passpassfail
  • AAA: use #993829 as the text (7.11:1)
Aaon black
3.18:1failpassfail
  • AA: use #cb4d3a as the text (4.66:1)
  • AAA: use #d87c6e as the text (7.03:1)
  • AA: or shift the background to #d6d6d6 (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 #a13b2b 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

#a13b2b reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a13b2b
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 #a13b2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a13b2b-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