Color

#ab2103

#ab2103
hex#ab2103
rgbrgb(171, 33, 3)
hslhsl(11, 97%, 34%)
oklchoklch(0.481 0.177 32.7)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0975

Colors that go with #ab2103

Royal Blue, Teal and Crimson 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 →

#038cab

#ab0338 · #ab7603

#03ab21 · #2103ab

Split-complementary

Open in tool →

#03ab76 · #0338ab

#38ab03 · #038cab · #7603ab

Contrast

#ab2103 as textRatioAAAA largeAAAFix
Aaon white
7.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #e22c03 as the text (4.6:1)
  • AAA: use #fc6745 as the text (7.17:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ab2103 as the background.

Brands using this color

Fonts for this mood

#ab2103 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ab2103
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 #ab2103 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ab2103-c4a89c-62cbab-2d281f-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