Color

#311f1c

#311f1c
hex#311f1c
rgbrgb(49, 31, 28)
hslhsl(9, 27%, 15%)
oklchoklch(0.261 0.029 29.7)
Closest name: Close but No Cigar (#361d0a)Relative luminance 0.0172

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c2d31

#311c23 · #31291c

#1c311f · #1f1c31

Split-complementary

Open in tool →

#1c3129 · #1c2331

#23311c · #1c2d31 · #291c31

Contrast

#311f1c as textRatioAAAA largeAAAFix
Aaon white
15.63:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #a2675d as the text (4.63:1)
  • AAA: use #b88c84 as the text (7.12:1)
  • AA: or shift the background to #8a8a8a (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #311f1c as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#311f1c reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #311f1c
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #311f1c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/311f1c-c4a79c-62cba8-2d271f-f1e9ec?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