Color

#331e31

#331e31
hex#331e31
rgbrgb(51, 30, 49)
hslhsl(306, 26%, 16%)
oklchoklch(0.27 0.045 330.1)
Closest name: Nightly Voyager (#391531)Relative luminance 0.0185

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1e3320

#2b1e33 · #331e27

#31331e · #1e3133

Split-complementary

Open in tool →

#27331e · #1e332b

#332b1e · #1e3320 · #1e2733

Contrast

#331e31 as textRatioAAAA largeAAAFix
Aaon white
15.32:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #a15e9a as the text (4.58:1)
  • AAA: use #b785b2 as the text (7.01:1)
  • AA: or shift the background to #8c8c8c (4.56:1)
  • AAA: or shift the background to #b0b0b0 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #331e31 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#331e31 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331e31
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 #331e31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331e31-c19fb9-8acb62-2d1f26-eee9f1?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