Color

#1f290a

#1f290a
hex#1f290a
rgbrgb(31, 41, 10)
hslhsl(79, 61%, 10%)
oklchoklch(0.263 0.052 125)
Closest name: Lindworm Green (#172808)Relative luminance 0.019

Tints & shades

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

Harmonies

Complementary

Open in tool →

#140a29

#29230a · #10290a

#0a1f29 · #290a1f

Split-complementary

Open in tool →

#0a1029 · #230a29

#0a2923 · #140a29 · #290a10

Contrast

#1f290a as textRatioAAAA largeAAAFix
Aaon white
15.22:1passpasspassPasses AAA — no fix needed.
Aaon black
1.38:1failfailfail
  • AA: use #617f1f as the text (4.56:1)
  • AAA: use #7da428 as the text (7.21:1)
  • AA: or shift the background to #8c8c8c (4.53:1)
  • AAA: or shift the background to #b0b0b0 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f290a 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

#1f290a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f290a
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 #1f290a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f290a-b2bea2-4e66df-232d1f-f1f0e9?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