Color

#a70621

#a70621
hex#a70621
rgbrgb(167, 6, 33)
hslhsl(350, 93%, 34%)
oklchoklch(0.462 0.183 23.1)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0846

Colors that go with #a70621

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 →

#06a78c

#a70672 · #a73c06

#21a706 · #0621a7

Split-complementary

Open in tool →

#06a73c · #0672a7

#72a706 · #06a78c · #3c06a7

Contrast

#a70621 as textRatioAAAA largeAAAFix
Aaon white
7.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.69:1failfailfail
  • AA: use #ec092f as the text (4.65:1)
  • AAA: use #f9627b as the text (7.06:1)
  • AA: or shift the background to #c7c7c7 (4.62:1)
  • AAA: or shift the background to #f5f5f5 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a70621 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#a70621 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a70621
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 #a70621 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a70621-c49c9e-62cb87-2d231f-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