Color

#271d2f

#271d2f
hex#271d2f
rgbrgb(39, 29, 47)
hslhsl(273, 24%, 15%)
oklchoklch(0.251 0.036 309.3)
Closest name: Black Velvet (#222233)Relative luminance 0.0152

Tints & shades

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

Harmonies

Complementary

Open in tool →

#252f1d

#1e1d2f · #2f1d2f

#2f271d · #1d2f27

Split-complementary

Open in tool →

#2f2f1d · #1d2f1e

#2f1e1d · #252f1d · #1d2f2f

Contrast

#271d2f as textRatioAAAA largeAAAFix
Aaon white
16.12:1passpasspassPasses AAA — no fix needed.
Aaon black
1.3:1failfailfail
  • AA: use #8867a2 as the text (4.51:1)
  • AAA: use #a58db9 as the text (7.11:1)
  • AA: or shift the background to #8a8a8a (4.67:1)
  • AAA: or shift the background to #ababab (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271d2f 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

#271d2f reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271d2f
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 #271d2f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271d2f-b79cc4-c4cb62-2d1f2d-eae9f1?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