Color

#271d3e

#271d3e
hex#271d3e
rgbrgb(39, 29, 62)
hslhsl(258, 36%, 18%)
oklchoklch(0.261 0.061 295.9)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0166

Tints & shades

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

Harmonies

Complementary

Open in tool →

#353e1d

#1d243e · #381d3e

#3e271d · #1d3e27

Split-complementary

Open in tool →

#3e381d · #243e1d

#3e1d24 · #353e1d · #1d3e38

Contrast

#271d3e as textRatioAAAA largeAAAFix
Aaon white
15.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #826ab9 as the text (4.71:1)
  • AAA: use #9f8dc9 as the text (7.13:1)
  • AA: or shift the background to #8a8a8a (4.57:1)
  • AAA: or shift the background to #adadad (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271d3e as the background.

Brands using this color

Fonts for this mood

#271d3e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271d3e
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 #271d3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271d3e-ad9cc4-dfc44e-291f2d-e9ebf1?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