Color

#271e39

#271e39
hex#271e39
rgbrgb(39, 30, 57)
hslhsl(260, 31%, 17%)
oklchoklch(0.259 0.051 298.2)
Closest name: Black Velvet (#222233)Relative luminance 0.0166

Tints & shades

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

Harmonies

Complementary

Open in tool →

#30391e

#1e2239 · #341e39

#39271e · #1e3927

Split-complementary

Open in tool →

#39341e · #22391e

#391e22 · #30391e · #1e3934

Contrast

#271e39 as textRatioAAAA largeAAAFix
Aaon white
15.78:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #8069b0 as the text (4.57:1)
  • AAA: use #9f8dc3 as the text (7.07:1)
  • 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 #271e39 as the background.

Brands using this color

Fonts for this mood

#271e39 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271e39
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 #271e39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271e39-ae9cc4-dfc94e-2a1f2d-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