Color

#331e34

#331e34
hex#331e34
rgbrgb(51, 30, 52)
hslhsl(297, 27%, 16%)
oklchoklch(0.272 0.049 325.2)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0188

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f341e

#281e34 · #341e2a

#34331e · #1e3433

Split-complementary

Open in tool →

#2a341e · #1e3428

#34281e · #1f341e · #1e2a34

Contrast

#331e34 as textRatioAAAA largeAAAFix
Aaon white
15.26:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #9e5da2 as the text (4.54:1)
  • AAA: use #b887ba as the text (7.21:1)
  • AA: or shift the background to #8c8c8c (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #331e34 as the background.

Brands using this color

Fonts for this mood

#331e34 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331e34
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 #331e34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331e34-c19fbe-9acb62-2d1f28-ede9f1?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