Color

#a8152b

#a8152b
hex#a8152b
rgbrgb(168, 21, 43)
hslhsl(351, 78%, 37%)
oklchoklch(0.471 0.178 21.2)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0904

Colors that go with #a8152b

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 →

#15a892

#a81574 · #a84815

#2ba815 · #152ba8

Split-complementary

Open in tool →

#15a848 · #1574a8

#74a815 · #15a892 · #4815a8

Contrast

#a8152b as textRatioAAAA largeAAAFix
Aaon white
7.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #e4213e as the text (4.59:1)
  • AAA: use #ed6e81 as the text (7.15:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a8152b as the background.

Brands using this color

Fonts for this mood

#a8152b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a8152b
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 #a8152b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a8152b-c49c9e-62cb89-2d231f-f1e9ee?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