Color

#310c0c

#310c0c
hex#310c0c
rgbrgb(49, 12, 12)
hslhsl(0, 61%, 12%)
oklchoklch(0.218 0.06 23.5)
Closest name: Italian Roast (#221111)Relative luminance 0.0094

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0c3131

#310c1f · #311f0c

#0c310c · #0c0c31

Split-complementary

Open in tool →

#0c311f · #0c1f31

#1f310c · #0c3131 · #1f0c31

Contrast

#310c0c as textRatioAAAA largeAAAFix
Aaon white
17.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #d14242 as the text (4.57:1)
  • AAA: use #de7878 as the text (7.06:1)
  • AA: or shift the background to #828282 (4.6:1)
  • AAA: or shift the background to #a3a3a3 (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 #310c0c 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

#310c0c reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310c0c
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 #310c0c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310c0c-c4a19c-62cb98-2d251f-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