Color

#310c2a

#310c2a
hex#310c2a
rgbrgb(49, 12, 42)
hslhsl(311, 61%, 12%)
oklchoklch(0.231 0.074 335.9)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.0108

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0c3113

#250c31 · #310c18

#2a310c · #0c2a31

Split-complementary

Open in tool →

#18310c · #0c3125

#31250c · #0c3113 · #0c1831

Contrast

#310c2a as textRatioAAAA largeAAAFix
Aaon white
17.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.22:1failfailfail
  • AA: use #c931ad as the text (4.53:1)
  • AAA: use #dc6fc8 as the text (7.15:1)
  • AA: or shift the background to #858585 (4.68:1)
  • AAA: or shift the background to #a6a6a6 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310c2a 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

#310c2a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310c2a
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 #310c2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310c2a-c19fb7-82cb62-2d1f25-efe9f1?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