Color

#a42419

#a42419
hex#a42419
rgbrgb(164, 36, 25)
hslhsl(5, 74%, 37%)
oklchoklch(0.471 0.166 29.6)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0922

Colors that go with #a42419

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 →

#1999a4

#a41953 · #a46a19

#19a424 · #2419a4

Split-complementary

Open in tool →

#19a46a · #1953a4

#53a419 · #1999a4 · #6a19a4

Contrast

#a42419 as textRatioAAAA largeAAAFix
Aaon white
7.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.84:1failfailfail
  • AA: use #de3121 as the text (4.57:1)
  • AAA: use #e87368 as the text (7.08:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a42419 as the background.

Brands using this color

Fonts for this mood

#a42419 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a42419
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 #a42419 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a42419-c4a49c-62cba1-2d261f-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