Color

#a30008

#a30008
hex#a30008
rgbrgb(163, 0, 8)
hslhsl(357, 100%, 32%)
oklchoklch(0.45 0.184 28)
Closest name: Bleeding Crimson (#9b1414)Relative luminance 0.078

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00a39b

#a3005a · #a34900

#08a300 · #0008a3

Split-complementary

Open in tool →

#00a349 · #005aa3

#5aa300 · #00a39b · #4900a3

Contrast

#a30008 as textRatioAAAA largeAAAFix
Aaon white
8.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #eb000c as the text (4.54:1)
  • AAA: use #ff6169 as the text (7.17:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #ededed (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a30008 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

#a30008 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a30008
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 #a30008 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a30008-c49f9c-62cb93-2d251f-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