Color

#310f34

#310f34
hex#310f34
rgbrgb(49, 15, 52)
hslhsl(295, 55%, 13%)
oklchoklch(0.242 0.079 324.4)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.0124

Colors that go with #310f34

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 →

#12330f

#1e0f33 · #330f24

#33300f · #0f3330

Split-complementary

Open in tool →

#24330f · #0f331e

#331e0f · #12330f · #0f2433

Contrast

#310f34 as textRatioAAAA largeAAAFix
Aaon white
16.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.25:1failfailfail
  • AA: use #bb3dc7 as the text (4.61:1)
  • AAA: use #cf75d7 as the text (7.18:1)
  • AA: or shift the background to #858585 (4.56:1)
  • AAA: or shift the background to #a8a8a8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310f34 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

#310f34 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310f34
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 #310f34 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310f34-c19fbf-9dcb62-2d1f28-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