Color

#310d36

#310d36
hex#310d36
rgbrgb(49, 13, 54)
hslhsl(293, 61%, 13%)
oklchoklch(0.24 0.084 322.6)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.0121

Colors that go with #310d36

Charcoal, Slate Blue and Teal 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 →

#12350d

#1c0d35 · #350d26

#35310d · #0d3531

Split-complementary

Open in tool →

#26350d · #0d351c

#351c0d · #12350d · #0d2635

Contrast

#310d36 as textRatioAAAA largeAAAFix
Aaon white
16.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #bc36ce as the text (4.56:1)
  • AAA: use #d173dd as the text (7.21:1)
  • AA: or shift the background to #858585 (4.58:1)
  • AAA: or shift the background to #a8a8a8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #310d36 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

#310d36 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #310d36
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 #310d36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/310d36-c19fc1-a1cb62-2d1f29-ece9f1?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