Color

#271f38

#271f38
hex#271f38
rgbrgb(39, 31, 56)
hslhsl(259, 29%, 17%)
oklchoklch(0.261 0.047 297.8)
Closest name: Black Velvet (#222233)Relative luminance 0.017

Tints & shades

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

Harmonies

Complementary

Open in tool →

#30381f

#1f2338 · #331f38

#38271f · #1f3827

Split-complementary

Open in tool →

#38331f · #23381f

#381f23 · #30381f · #1f3833

Contrast

#271f38 as textRatioAAAA largeAAAFix
Aaon white
15.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #806bae as the text (4.63:1)
  • AAA: use #9f8fc1 as the text (7.17:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271f38 as the background.

Brands using this color

Fonts for this mood

#271f38 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271f38
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 #271f38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271f38-ad9cc4-dfc74e-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