Color

#310709

#310709
hex#310709
rgbrgb(49, 7, 9)
hslhsl(357, 75%, 11%)
oklchoklch(0.21 0.068 22.4)
Closest name: Italian Roast (#221111)Relative luminance 0.0082

Tints & shades

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

Harmonies

Complementary

Open in tool →

#07312f

#31071e · #311a07

#093107 · #070931

Split-complementary

Open in tool →

#07311a · #071e31

#1e3107 · #07312f · #1a0731

Contrast

#310709 as textRatioAAAA largeAAAFix
Aaon white
18.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.16:1failfailfail
  • AA: use #e02932 as the text (4.53:1)
  • AAA: use #eb7076 as the text (7.11:1)
  • AA: or shift the background to #808080 (4.56:1)
  • AAA: or shift the background to #a3a3a3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310709 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

#310709 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310709
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 #310709 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310709-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