Color

#311128

#311128
hex#311128
rgbrgb(49, 17, 40)
hslhsl(317, 48%, 13%)
oklchoklch(0.237 0.062 339.5)
Closest name: Dark Prom Queen (#2b0f2e)Relative luminance 0.0121

Colors that go with #311128

Charcoal, Dark Olive Green and Sea Green 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 →

#11311a

#2a1131 · #311118

#283111 · #112831

Split-complementary

Open in tool →

#183111 · #11312a

#312a11 · #11311a · #111831

Contrast

#311128 as textRatioAAAA largeAAAFix
Aaon white
16.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.24:1failfailfail
  • AA: use #be469c as the text (4.55:1)
  • AAA: use #d17bb8 as the text (7.24:1)
  • 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 #311128 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

#311128 reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #311128
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 #311128 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/311128-c19fb3-77cb62-2d1f23-efe9f1?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