Color

#aa090e

#aa090e
hex#aa090e
rgbrgb(170, 9, 14)
hslhsl(358, 90%, 35%)
oklchoklch(0.467 0.187 28)
Closest name: All Systems Red (#b30103)Relative luminance 0.0877

Tints & shades

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

Harmonies

Complementary

Open in tool →

#09aaa4

#aa095f · #aa5409

#0eaa09 · #090eaa

Split-complementary

Open in tool →

#09aa54 · #095faa

#5faa09 · #09aaa4 · #5409aa

Contrast

#aa090e as textRatioAAAA largeAAAFix
Aaon white
7.62:1passpasspassPasses AAA — no fix needed.
Aaon black
2.75:1failfailfail
  • AA: use #e90c14 as the text (4.53:1)
  • AAA: use #f7696e as the text (7.2:1)
  • AA: or shift the background to #c7c7c7 (4.51:1)
  • AAA: or shift the background to #f7f7f7 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa090e 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

#aa090e reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #aa090e
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 #aa090e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aa090e-c49f9c-62cb95-2d251f-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