Color

#311f32

#311f32
hex#311f32
rgbrgb(49, 31, 50)
hslhsl(297, 23%, 16%)
oklchoklch(0.27 0.043 324.9)
Closest name: Black Velvet (#222233)Relative luminance 0.0186

Colors that go with #311f32

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 →

#20321f

#281f32 · #321f2a

#32311f · #1f3231

Split-complementary

Open in tool →

#2a321f · #1f3228

#32281f · #20321f · #1f2a32

Contrast

#311f32 as textRatioAAAA largeAAAFix
Aaon white
15.3:1passpasspassPasses AAA — no fix needed.
Aaon black
1.37:1failfailfail
  • AA: use #9a629d as the text (4.61:1)
  • AAA: use #b288b4 as the text (7.07:1)
  • AA: or shift the background to #8c8c8c (4.55:1)
  • AAA: or shift the background to #b0b0b0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #311f32 as the background.

Brands using this color

Fonts for this mood

#311f32 reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #311f32
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 #311f32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/311f32-c19fbe-9acb62-2d1f28-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