Color

#310b08

#310b08
hex#310b08
rgbrgb(49, 11, 8)
hslhsl(4, 72%, 11%)
oklchoklch(0.216 0.063 28.1)
Closest name: Italian Roast (#221111)Relative luminance 0.0091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#082e30

#300819 · #301f08

#08300b · #0b0830

Split-complementary

Open in tool →

#08301f · #081930

#193008 · #082e30 · #1f0830

Contrast

#310b08 as textRatioAAAA largeAAAFix
Aaon white
17.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #dc3428 as the text (4.56:1)
  • AAA: use #e7726a as the text (7.01:1)
  • AA: or shift the background to #828282 (4.62:1)
  • AAA: or shift the background to #a3a3a3 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310b08 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

#310b08 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310b08
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 #310b08 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310b08-c4a39c-62cb9f-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