Color

#ab2b17

#ab2b17
hex#ab2b17
rgbrgb(171, 43, 23)
hslhsl(8, 76%, 38%)
oklchoklch(0.49 0.168 31.7)
Closest name: Blood Rush (#aa2222)Relative luminance 0.1045

Colors that go with #ab2b17

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1797ab

#ab174d · #ab7517

#17ab2b · #2b17ab

Split-complementary

Open in tool →

#17ab75 · #174dab

#4dab17 · #1797ab · #7517ab

Contrast

#ab2b17 as textRatioAAAA largeAAAFix
Aaon white
6.8:1passpassfail
  • AAA: use #a62a17 as the text (7.08:1)
Aaon black
3.09:1failpassfail
  • AA: use #dc371e as the text (4.61:1)
  • AAA: use #ea7462 as the text (7.17:1)
  • AA: or shift the background to #d4d4d4 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ab2b17 as the background.

Brands using this color

Fonts for this mood

#ab2b17 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ab2b17
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 #ab2b17 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ab2b17-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