Color

#2d101b

#2d101b
hex#2d101b
rgbrgb(45, 16, 27)
hslhsl(337, 48%, 12%)
oklchoklch(0.222 0.05 358)
Closest name: Black Cherry (#2c1620)Relative luminance 0.0101

Tints & shades

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

Harmonies

Complementary

Open in tool →

#102d22

#2d102a · #2d1310

#1b2d10 · #101b2d

Split-complementary

Open in tool →

#102d13 · #102a2d

#2a2d10 · #102d22 · #13102d

Contrast

#2d101b as textRatioAAAA largeAAAFix
Aaon white
17.48:1passpasspassPasses AAA — no fix needed.
Aaon black
1.2:1failfailfail
  • AA: use #c14e7a as the text (4.64:1)
  • AAA: use #d17b9c as the text (7.02:1)
  • AA: or shift the background to #828282 (4.55:1)
  • AAA: or shift the background to #a6a6a6 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2d101b 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

#2d101b reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2d101b
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 #2d101b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2d101b-c49ca7-62cb70-2d201f-f1e9f0?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