Color

#310d1e

#310d1e
hex#310d1e
rgbrgb(49, 13, 30)
hslhsl(332, 58%, 12%)
oklchoklch(0.226 0.062 353.9)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0103

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d3020

#300d2f · #300e0d

#1d300d · #0d1d30

Split-complementary

Open in tool →

#0d300e · #0d2f30

#2f300d · #0d3020 · #0e0d30

Contrast

#310d1e as textRatioAAAA largeAAAFix
Aaon white
17.4:1passpasspassPasses AAA — no fix needed.
Aaon black
1.21:1failfailfail
  • AA: use #cc3e80 as the text (4.57:1)
  • AAA: use #db76a5 as the text (7.15:1)
  • AA: or shift the background to #828282 (4.53:1)
  • AAA: or shift the background to #a6a6a6 (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 #310d1e 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

#310d1e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310d1e
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 #310d1e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310d1e-c49caa-62cb67-2d1f20-f1e9f1?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