Color

#1b310c

#1b310c
hex#1b310c
rgbrgb(27, 49, 12)
hslhsl(96, 61%, 12%)
oklchoklch(0.285 0.066 134.8)
Closest name: Dark Serpent (#113311)Relative luminance 0.0246

Tints & shades

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

Harmonies

Complementary

Open in tool →

#220c31

#2e310c · #0c3110

#0c1b31 · #310c1b

Split-complementary

Open in tool →

#100c31 · #310c2e

#0c2e31 · #220c31 · #31100c

Contrast

#1b310c as textRatioAAAA largeAAAFix
Aaon white
14.08:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #488320 as the text (4.54:1)
  • AAA: use #5ca829 as the text (7.09:1)
  • AA: or shift the background to #949494 (4.64:1)
  • AAA: or shift the background to #b8b8b8 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b310c 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

#1b310c reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b310c
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 #1b310c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b310c-aabea2-5f4edf-1f2d20-f0f1e9?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