Color

#271d34

#271d34
hex#271d34
rgbrgb(39, 29, 52)
hslhsl(266, 28%, 16%)
oklchoklch(0.254 0.044 303.4)
Closest name: Black Velvet (#222233)Relative luminance 0.0156

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a341d

#1d1f34 · #331d34

#34271d · #1d3427

Split-complementary

Open in tool →

#34331d · #1f341d

#341d1f · #2a341d · #1d3433

Contrast

#271d34 as textRatioAAAA largeAAAFix
Aaon white
16.01:1passpasspassPasses AAA — no fix needed.
Aaon black
1.31:1failfailfail
  • AA: use #8569ab as the text (4.61:1)
  • AAA: use #a28dbf as the text (7.1:1)
  • AA: or shift the background to #8a8a8a (4.64:1)
  • AAA: or shift the background to #adadad (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271d34 as the background.

Brands using this color

Fonts for this mood

#271d34 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271d34
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 #271d34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271d34-b29cc4-dfd74e-2b1f2d-e9eaf1?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