Color

#271e33

#271e33
hex#271e33
rgbrgb(39, 30, 51)
hslhsl(266, 26%, 16%)
oklchoklch(0.256 0.04 303.3)
Closest name: Black Velvet (#222233)Relative luminance 0.016

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2a331e

#1e2033 · #321e33

#33271e · #1e3327

Split-complementary

Open in tool →

#33321e · #20331e

#331e20 · #2a331e · #1e3332

Contrast

#271e33 as textRatioAAAA largeAAAFix
Aaon white
15.91:1passpasspassPasses AAA — no fix needed.
Aaon black
1.32:1failfailfail
  • AA: use #866ba8 as the text (4.68:1)
  • AAA: use #a38fbd as the text (7.22:1)
  • AA: or shift the background to #8a8a8a (4.61:1)
  • AAA: or shift the background to #adadad (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #271e33 as the background.

Brands using this color

Fonts for this mood

#271e33 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #271e33
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 #271e33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/271e33-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