Color

#331031

#331031
hex#331031
rgbrgb(51, 16, 49)
hslhsl(303, 52%, 13%)
oklchoklch(0.245 0.075 329.8)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.013

Colors that go with #331031

Charcoal, Sea Green and Slate Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#103212

#231032 · #32101f

#313210 · #103132

Split-complementary

Open in tool →

#1f3210 · #103223

#322310 · #103212 · #101f32

Contrast

#331031 as textRatioAAAA largeAAAFix
Aaon white
16.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.26:1failfailfail
  • AA: use #be3cb7 as the text (4.52:1)
  • AAA: use #d373ce as the text (7.11:1)
  • AA: or shift the background to #858585 (4.52:1)
  • AAA: or shift the background to #a8a8a8 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #331031 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

#331031 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331031
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #331031 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331031-c19fbb-8fcb62-2d1f26-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