Color

#aa130e

#aa130e
hex#aa130e
rgbrgb(170, 19, 14)
hslhsl(2, 85%, 36%)
oklchoklch(0.471 0.183 28.9)
Closest name: Blood Rush (#aa2222)Relative luminance 0.0904

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#0ea5aa

#aa0e57 · #aa610e

#0eaa13 · #130eaa

Split-complementary

Open in tool →

#0eaa61 · #0e57aa

#57aa0e · #0ea5aa · #610eaa

Contrast

#aa130e as textRatioAAAA largeAAAFix
Aaon white
7.48:1passpasspassPasses AAA — no fix needed.
Aaon black
2.81:1failfailfail
  • AA: use #e71a13 as the text (4.55:1)
  • AAA: use #f36d68 as the text (7.2:1)
  • AA: or shift the background to #c9c9c9 (4.52:1)
  • AAA: or shift the background to #fafafa (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 #aa130e 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

#aa130e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa130e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #aa130e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa130e-c4a29c-62cb9c-2d261f-f1e9ed?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