Color

#331f0a

#331f0a
hex#331f0a
rgbrgb(51, 31, 10)
hslhsl(31, 67%, 12%)
oklchoklch(0.26 0.045 64.7)
Closest name: Close but No Cigar (#361d0a)Relative luminance 0.0171

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a1e33

#330b0a · #32330a

#0a331f · #1f0a33

Split-complementary

Open in tool →

#0a3233 · #0b0a33

#0a330b · #0a1e33 · #330a32

Contrast

#331f0a as textRatioAAAA largeAAAFix
Aaon white
15.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.34:1failfailfail
  • AA: use #a66621 as the text (4.54:1)
  • AAA: use #d5822a as the text (7.06:1)
  • AA: or shift the background to #8a8a8a (4.54:1)
  • AAA: or shift the background to #b0b0b0 (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #331f0a 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

#331f0a reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331f0a
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 #331f0a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331f0a-c4b59c-62c7cb-2d2c1f-f1eae9?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