Color

#31212e

#31212e
hex#31212e
rgbrgb(49, 33, 46)
hslhsl(311, 20%, 16%)
oklchoklch(0.273 0.033 333.2)
Closest name: Aubergine (#372528)Relative luminance 0.0194

Tints & shades

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

Harmonies

Complementary

Open in tool →

#213124

#2c2131 · #312126

#2e3121 · #212e31

Split-complementary

Open in tool →

#263121 · #21312c

#312c21 · #213124 · #212631

Contrast

#31212e as textRatioAAAA largeAAAFix
Aaon white
15.13:1passpasspassPasses AAA — no fix needed.
Aaon black
1.39:1failfailfail
  • AA: use #96648d as the text (4.5:1)
  • AAA: use #b18baa as the text (7.14:1)
  • AA: or shift the background to #8c8c8c (4.5:1)
  • AAA: or shift the background to #b3b3b3 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #31212e 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

#31212e reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #31212e
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 #31212e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/31212e-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