Color

#031b0e

#031b0e
hex#031b0e
rgbrgb(3, 27, 14)
hslhsl(148, 80%, 6%)
oklchoklch(0.198 0.041 157.4)
Closest name: Nightmare (#112211)Relative luminance 0.0083

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c0310

#041c03 · #031c1b

#0e031c · #1c0e03

Split-complementary

Open in tool →

#1b031c · #1c0304

#03041c · #1c0310 · #1c1b03

Contrast

#031b0e as textRatioAAAA largeAAAFix
Aaon white
18:1passpasspassPasses AAA — no fix needed.
Aaon black
1.17:1failfailfail
  • AA: use #0f8a48 as the text (4.75:1)
  • AAA: use #13ae5c as the text (7.24:1)
  • AA: or shift the background to #808080 (4.56:1)
  • AAA: or shift the background to #a3a3a3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #031b0e 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

#031b0e reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #031b0e
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 #031b0e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/031b0e-a2beb2-d259d4-1f2d2c-eaf1e9?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