Color

#a4230a

#a4230a
hex#a4230a
rgbrgb(164, 35, 10)
hslhsl(10, 89%, 34%)
oklchoklch(0.47 0.168 32.4)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0912

Colors that go with #a4230a

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 →

#0a8aa4

#a40a3d · #a4700a

#0aa423 · #230aa4

Split-complementary

Open in tool →

#0aa470 · #0a3da4

#3da40a · #0a8aa4 · #700aa4

Contrast

#a4230a as textRatioAAAA largeAAAFix
Aaon white
7.44:1passpasspassPasses AAA — no fix needed.
Aaon black
2.82:1failfailfail
  • AA: use #de300d as the text (4.53:1)
  • AAA: use #f5694d as the text (7.01:1)
  • AA: or shift the background to #cccccc (4.63:1)
  • AAA: or shift the background to #fafafa (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a4230a as the background.

Brands using this color

Fonts for this mood

#a4230a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a4230a
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 #a4230a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a4230a-c4a79c-62cbaa-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